{"title":"Blocks - Ball Bearing","description":"\u003ch1\u003e\u003cspan\u003eRonstan Ball Bearing Orbit Blocks Range - High-Performance Sailing Hardware\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb id=\"docs-internal-guid-79c31a75-7fff-3752-c6f7-50279c2e6053\"\u003e\u003c\/b\u003eRonstan Ball Bearing Orbit Blocks range, lashing and shackle head options have been engineered to achieve the highest possible strength-to-weight ratio, using composite reinforced polymer materials and a Dyneema® link attachment instead of metal components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt Oborn’s Nautical, we stock single, double, triple and high-load options to suit dinghies, cruisers and performance yachts. With decades of marine rigging expertise, our team can help you choose the right block configuration for your setup. Shop the complete collection below or contact us for expert advice and New Zealand-wide support.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"ronstan-rf74100-series-75","title":"Ronstan 75mm Core RF74100","description":"\u003cp\u003eClass leading performance and sleek, contemporary styling\u003c\/p\u003e\n\u003cp\u003eExcellent dynamic and high static load performance\u003c\/p\u003e\n\u003cp\u003eLess than half the friction of the nearest competitor\u003c\/p\u003e\n\u003cp\u003eUniversal head with full 3-axis articulation\u003c\/p\u003e\n\u003cp\u003eHead posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex Key\u003c\/p\u003e\n\u003cp\u003eAlloy Rope\/Wire sheave version also available\u003c\/p\u003e\n\u003cp\u003eCentral hub hole can be used as a becket take-off or tie-up point\u003c\/p\u003e\n\u003cp\u003eSheave Ø: 75 mm\u003cbr\u003eMax. Rope Ø: 14 mm\u003c\/p\u003e\n\u003cp\u003ePin Ø: 8 mm\u003cbr\u003eM.W.L: 1500 kg\u003cbr\u003eB. L: 3000 kg\u003cbr\u003eWeight: 354 g\u003c\/p\u003e","brand":"Oborn's Nautical","offers":[{"title":"Default Title","offer_id":30927137800274,"sku":"RF74100 S75","price":215.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF74100.jpg?v=1571626220"},{"product_id":"ronstan-rf74202-series-75","title":"Ronstan 75mm Double Core RF74202","description":"\u003cp\u003eRonstan 75mm Core Block with a breaking load of 3000kg! with l\u003cspan\u003eess than half the friction of the nearest competitor, \u003c\/span\u003eClass leading performance and sleek, contemporary styling,\u003c\/p\u003e\n\u003cp\u003eExcellent dynamic and high static load performance,\u003c\/p\u003e\n\u003cp\u003eLess than half the friction of the nearest competitor,\u003c\/p\u003e\n\u003cp\u003eRemovable threaded pin at shackle head,\u003c\/p\u003e\n\u003cp\u003eCentral hub hole can be used as a Becket take-off point.\u003c\/p\u003e\n\u003cp\u003eSheave Ø: 75 mm,\u003cbr\u003eMax. Rope Ø: 14 mm,\u003c\/p\u003e\n\u003cp\u003eM.W.L: 1500 kg,\u003cbr\u003eB. L: 3000 kg,\u003cbr\u003eWeight: 506 g,\u003c\/p\u003e","brand":"Oborn's Nautical","offers":[{"title":"Default Title","offer_id":30927206580306,"sku":"RF74202 S75","price":430.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF74202.jpg?v=1583879683"},{"product_id":"ronstan-rf15100","title":"Ronstan 15mm Single RF15100","description":"\u003ch3\u003eRonstan 15mm Single - RF15100\u003c\/h3\u003e\nSmallest and lightest ball bearing block available\u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing\n\u003ch3\u003eApplications\u003c\/h3\u003e\nDinghy control lines\u003cbr\u003eVangs, cunninghams and tweakers\u003cbr\u003eShock cord tensioning systems\n\u003ch3\u003eMaterials\u003c\/h3\u003e\nBB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 400\u003cbr\u003eM.W.L. (kg): 120\u003cbr\u003eWeight (g): 11\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247978987602,"sku":"RF15100","price":28.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15100_f13dc72d-1d19-484f-a0f5-1e2fc7972dd1.jpg?v=1573680677"},{"product_id":"ronstan-rf15101","title":"Ronstan 15mm Single block RF15101","description":"\u003ch3\u003e\u003c\/h3\u003e\n\u003cp\u003eRonstan 15mm Single block - RF15101\u003cbr\u003e\u003cbr\u003eAt only 7g this is the Smallest and lightest ball bearing block available.\u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing \u003cbr\u003eFor use on Dinghy control lines, Vangs, cunninghams and tweakers. Shock cord tensioning systems etc etc. \u003cbr\u003e\u003cbr\u003eBB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel \u003cbr\u003e\u003cbr\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 120\u003cbr\u003eWeight (g): 7\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/obornsnautical.co.nz\/search?q=ronstan*+15mm*\" title=\"Ronstan 15mm Range\"\u003eCheck out the rest of the 15mm range.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247979085906,"sku":"RF15101","price":20.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15101_0d384b8b-021a-4d33-bab5-72134fa66eb9.jpg?v=1573680679"},{"product_id":"ronstan-rf15111","title":"Ronstan 15mm Single block with becket RF15111","description":"\u003ch3\u003e\u003c\/h3\u003e\n\u003cp\u003eRonstan 15mm Single block - RF15111\u003cbr\u003e\u003cbr\u003eSmallest and lightest ball bearing block available\u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing \u003cbr\u003e\u003cbr\u003eDinghy control lines\u003cbr\u003eVangs, cunninghams and tweakers\u003cbr\u003eShock cord tensioning systems \u003cbr\u003e\u003cbr\u003eBB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel \u003cbr\u003e\u003cbr\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 120\u003cbr\u003eWeight (g): 9\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/obornsnautical.co.nz\/search?q=ronstan*+15mm*\" title=\"Ronstan 15mm range\"\u003eCheck out the rest of the Ronstan 15mm Range\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247979151442,"sku":"RF15111","price":24.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15111_a53adfbb-0e05-430c-8b1c-59a6eba03318.jpg?v=1573680681"},{"product_id":"ronstan-rf15151","title":"Ronstan 15mm Cheek block RF15151","description":"\u003cp\u003eRonstan 15mm Cheek block - RF15151\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/obornsnautical.co.nz\/search?q=RF15*\" title=\"Ronstan series 15\"\u003eSmallest and lightest ball bearing block available\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003c\/p\u003e\n\u003cp\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing\u003c\/p\u003e\n\u003cp\u003eDinghy control lines\u003c\/p\u003e\n\u003cp\u003eVangs, cunninghams and tweakers\u003c\/p\u003e\n\u003cp\u003eShock cord tensioning systems\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBB sheaves: UV stabilised acetal\u003c\/p\u003e\n\u003cp\u003eBall bearings: Stainless steel\u003c\/p\u003e\n\u003cp\u003eCheeks: Grade 316 stainless steel\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 120\u003cbr\u003eWeight (g): 9\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247979249746,"sku":"RF15151","price":23.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15151_5eacb1b8-9f3e-4775-baae-049173c1d7ed.jpg?v=1573680683"},{"product_id":"ronstan-rf15202","title":"Ronstan 15mm Double block RF15202","description":"\u003cp\u003eRonstan 15mm Double block - RF15202\u003c\/p\u003e\n\u003cp\u003eSmallest and lightest ball bearing block available\u003c\/p\u003e\n\u003cp\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003c\/p\u003e\n\u003cp\u003eDinghy control lines\u003c\/p\u003e\n\u003cp\u003eVangs, cunninghams and tweakers\u003c\/p\u003e\n\u003cp\u003eShock cord tensioning systems\u003c\/p\u003e\n\u003cp\u003eBB sheaves: UV stabilised acetal\u003c\/p\u003e\n\u003cp\u003eBall bearings: Stainless steel\u003c\/p\u003e\n\u003cp\u003eCheeks: Grade 316 stainless steel\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 700\u003cbr\u003eM.W.L. (kg): 240\u003cbr\u003eWeight (g): 23\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247979446354,"sku":"RF15202","price":46.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15202_ee0c360e-f399-4232-8e52-eae01e36dc58.jpg?v=1573680690"},{"product_id":"ronstan-rf15212","title":"Ronstan 15mm Double\/becket block - RF15212","description":"\u003ch3\u003eRonstan 15mm Double\/becket block - RF15212. \u003c\/h3\u003e\n\u003cp\u003eSmallest and lightest ball bearing block available. \u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction. \u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing.\u003cbr\u003e\u003cbr\u003e Dinghy control lines. \u003cbr\u003eVangs, cunninghams and tweakers. \u003cbr\u003eShock cord tensioning systems. \u003cbr\u003e\u003cbr\u003e BB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 700\u003cbr\u003eM.W.L. (kg): 240\u003cbr\u003eWeight (g): 24\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247979937874,"sku":"RF15212","price":49.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15212_1f12f2dd-d2fe-4483-9439-c23d37fcdffa.jpg?v=1573680692"},{"product_id":"ronstan-rf15302","title":"Ronstan 15mm Triple block - RF15302","description":"\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003eRonstan 15mm Triple block - RF15302.\u003c\/p\u003e\n\u003cp\u003eSmallest and lightest ball bearing block available. \u003cbr\u003ePrecision molded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction. \u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing. \u003cbr\u003e Dinghy control lines. \u003cbr\u003eVang, cunninghams and tweakers. \u003cbr\u003eShock cord tensioning systems. \u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nBB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 850\u003cbr\u003eM.W.L. (kg): 360\u003cbr\u003eWeight (g): 28\u003c\/p\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247980167250,"sku":"RF15302","price":71.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15302_9c366c91-7af2-47ce-916b-29f65d22b5ec.jpg?v=1573680694"},{"product_id":"ronstan-rf15312","title":"Ronstan 15mm Triple block - RF15312","description":"\u003ch3\u003eFeatures\u003c\/h3\u003e\nSmallest and lightest ball bearing block available\u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction\u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing\n\u003ch3\u003eApplications\u003c\/h3\u003e\nDinghy control lines\u003cbr\u003eVangs, cunninghams and tweakers\u003cbr\u003eShock cord tensioning systems\n\u003ch3\u003eMaterials\u003c\/h3\u003e\nBB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 850\u003cbr\u003eM.W.L. (kg): 360\u003cbr\u003eWeight (g): 30\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247980265554,"sku":"RF15312","price":75.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15312_498476e1-50c4-492c-9ad8-a13b41cf062d.jpg?v=1573680696"},{"product_id":"ronstan-rf15711","title":"Ronstan 15mm Exit block - RF15711","description":"\u003ch3\u003eRonstan 15mm Exit block - RF15711. \u003c\/h3\u003e\n\u003cp\u003eSmallest and lightest ball bearing block available. \u003cbr\u003ePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance \u0026amp; low friction. \u003cbr\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing. \u003cbr\u003e\u003cbr\u003e Dinghy control lines\u003cbr\u003eVangs, cunninghams and tweakers\u003cbr\u003eShock cord tensioning systems\u003cbr\u003e\u003cbr\u003e BB sheaves: UV stabilised acetal\u003cbr\u003eBall bearings: Stainless steel\u003cbr\u003eCheeks: Grade 316 stainless steel\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Rope Ø (mm): 5\u003cbr\u003eSheave Ø (mm): 15\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 120\u003cbr\u003eWeight (g): 14\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ZgIccEUZa-4\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247980331090,"sku":"RF15711","price":32.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF15711_1d000779-b8be-4587-98ea-35100d21a0ae.jpg?v=1573680698"},{"product_id":"ronstan-rf20100","title":"Ronstan 20mm Single - RF20100","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003ePin Ø (mm): 3\u003cbr\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 250\u003cbr\u003eWeight (g): 20\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982657618,"sku":"RONSTAN-RF20100","price":30.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20100_df8d9806-44c3-4442-b547-484afa408692.jpg?v=1573680750"},{"product_id":"ronstan-rf20101","title":"Ronstan 20mm Single - RF20101","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eMax. Cable Ø (mm): 3\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 275\u003cbr\u003eWeight (g): 14\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982755922,"sku":"RONSTAN-RF20101","price":23.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20101_b26b6116-71e9-435c-881c-e667b803d78b.jpg?v=1573680752"},{"product_id":"ronstan-rf20111","title":"Ronstan 20mm Single - RF20111","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 250\u003cbr\u003eWeight (g): 18\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982821458,"sku":"RONSTAN-RF20111","price":28.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20111_cf0086e8-32ee-4254-8f29-bee48635ea7f.jpg?v=1573680754"},{"product_id":"ronstan-rf20141","title":"Ronstan 20mm Single - RF20141","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 250\u003cbr\u003eWeight (g): 20\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982886994,"sku":"RONSTAN-RF20141","price":39.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20141_00eb3911-e354-42d2-90e2-cb070f611f64.jpg?v=1573680758"},{"product_id":"ronstan-rf20151","title":"Ronstan 20mm Cheek Block - RF20151","description":"\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003c\/span\u003e\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e ball bearings provide high performance \u0026amp; low friction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLow friction and Lightweight\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003e\u003cbr\u003eCommonly used on \u003cbr\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunningham\u003cbr\u003eTraveller controls\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 250\u003cbr\u003eWeight (g): 14\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982919762,"sku":"RONSTAN-RF20151","price":27.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/files\/RF20151.png?v=1712191137"},{"product_id":"ronstan-rf20151a","title":"Ronstan 20mm Cheek Block - RF20151A","description":"\u003cp\u003e\u003cspan\u003eSuitable for screw or pop rivet mounting\u003c\/span\u003e\u003c\/p\u003e\nPrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nHigh static and dynamic load capacity\u003cbr\u003eLightweight\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 200\u003cbr\u003eWeight (g): 17\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247982985298,"sku":"RONSTAN-RF20151A","price":32.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/files\/RF20151a.png?v=1712191372"},{"product_id":"ronstan-rf20180","title":"Ronstan 20mm Single - RF20180","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 200\u003cbr\u003eM.W.L. (kg): 100\u003cbr\u003eWeight (g): 21\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247983050834,"sku":"RONSTAN-RF20180","price":35.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20180_d89373e6-9846-487b-814e-a11c8144236d.jpg?v=1573680764"},{"product_id":"ronstan-rf20202","title":"Ronstan 20mm Double - RF20202","description":"\u003cp\u003eRF20202 Series 20 Ball Bearing Double Block with Shackle\u003c\/p\u003e\n\u003cp\u003eDual Axis Shackle Head allows block to be oriented in either plane depending on application\u003c\/p\u003e\n\u003cp\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003c\/p\u003e\n\u003cp\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003c\/p\u003e\n\u003cp\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunningham\u003cbr\u003eTraveller controls\u003c\/p\u003e\n\u003cp\u003ePin Ø (mm): 4\u003cbr\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 700\u003cbr\u003eM.W.L. (kg): 350\u003cbr\u003eWeight (g): 42\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247983116370,"sku":"RONSTAN-RF20202","price":53.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20202_66225168-5d2b-4b4f-ba6a-8a4b14412a3c.jpg?v=1573680766"},{"product_id":"ronstan-rf20212","title":"Ronstan 20mm Double\/Becket - RF20212","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003ePin Ø (mm): 4\u003cbr\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 700\u003cbr\u003eM.W.L. (kg): 350\u003cbr\u003eWeight (g): 44\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247983181906,"sku":"RONSTAN-RF20212","price":57.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20212_2575366d-cf75-4b7e-8976-18dc4ad6c102.jpg?v=1573680768"},{"product_id":"ronstan-rf20312","title":"Ronstan 20mm Triple - RF20312","description":"\u003ch3\u003eInformation\u003c\/h3\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\u003ch3\u003eApplications\u003c\/h3\u003eDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003ePin Ø (mm): 4\u003cbr\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 850\u003cbr\u003eM.W.L. (kg): 400\u003cbr\u003eWeight (g): 64\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247983542354,"sku":"RONSTAN-RF20312","price":87.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20312_b69f438f-58a2-4ac1-86ca-6f1b5b021e64.jpg?v=1573680771"},{"product_id":"ronstan-rf20711","title":"Ronstan 20mm Exit Block - RF25711","description":"\u003cp\u003e\u003cspan\u003eThis 20mm Ball Bearing sheave box is ideal for applications where lines need to be led through decks, bulkheads or spars minimising friction and chafing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSingle formed frame for high strength and light-weight. Stainless steel ball bearings for high strength and durability., Acetal sheave.\u003c\/p\u003e\n\u003cp\u003eB.L. (kg) 1100\u003cbr data-mce-fragment=\"1\"\u003eM.W.L. (kg) 300\u003cbr data-mce-fragment=\"1\"\u003eMax. Rope diameter (mm) 6\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eUse 2x 4mm fasteners\u003cbr\u003e\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247983575122,"sku":"RONSTAN-RF25711","price":49.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/files\/RF25711.jpg?v=1711417176"},{"product_id":"ronstan-rf25109","title":"Ronstan 20mm Orbit Single Lashing - RF25109","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRonstan Series 20 Ball Bearing single lashing block.\u003c\/p\u003e\n\u003cp\u003eThis 9 gram lightweight block has an integral becket option and has multiple uses for control lines on smaller boats.\u003c\/p\u003e\n\u003cp\u003eSheave: high compression strength carbon black Acetal.\u003cbr\u003eFrame:\/Cheeks: Toughened, glass fibre reinforced Nylon.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"product-feature-list bullet-list\"\u003e\n\u003cli\u003eIntegrated stainless steel hub to accept lashing attachment and through-sheave becket\u003c\/li\u003e\n\u003cli\u003eSuits up to 4mm (5\/32”) lashing\u003c\/li\u003e\n\u003cli\u003eIncludes 750 mm (30\") x 1.7mm (1\/16\") diam lashing cord\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 550\u003cbr\u003eM.W.L. (kg): 250\u003cbr\u003eWeight (g): 9\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247984066642,"sku":"RONSTAN-RF25109","price":24.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF25109-with-rope_2f9d24da-52eb-4fc6-a4c3-a9667235aef0.jpg?v=1573680778"},{"product_id":"ronstan-rf30101","title":"Ronstan 30mm Single - RF30101","description":"\u003ch3\u003eInformation\u003c\/h3\u003eSheaves running on Acetal or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction. The 2-stage ball bearing system provides consistent performance over the full load range.\u003ch3\u003eFeatures\u003c\/h3\u003eLow friction 2-stage ball bearing system provides consistent performance over the full working load range.\u003cbr\u003eHigh static and dynamic load capacity.\u003cbr\u003eLight weight\u003cbr\u003eVersatile head fittings\u003ch3\u003eApplications\u003c\/h3\u003ePrimary lead blocks on dinghies and catamarans\u003cbr\u003eControl lines on larger yachts\u003ch3\u003eMaterials\u003c\/h3\u003eU.V. stabilised Acetal sheaves\u003cbr\u003eAcetal ball bearings\u003cbr\u003eImpact modified, fibre reinforced and U.V. stabilised Nylon cheeks\u003cbr\u003eGrade 316 stainless steel load straps and head fittings\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eB. L. (kg): 750\u003cbr\u003eM.W.L. (kg): 300\u003cbr\u003eWeight (g): 28\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247990915154,"sku":"RONSTAN-RF30101","price":29.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF30101_51a9d5a3-a9b3-42a2-8926-ee8211a99bd6.jpg?v=1573680835"},{"product_id":"ronstan-rf30711","title":"Ronstan 30mm Exit Block - RF35711","description":"\u003cp\u003eRF35711 Series 30 Ball Bearing Exit Block\u003cbr data-mce-fragment=\"1\"\u003e30mm Ball Bearing sheave box. Single piece housing. acetal ball bearings, acetal sheave.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFEATURES\u003cbr data-mce-fragment=\"1\"\u003eAcetal ball bearings for high strength and durability\u003cbr data-mce-fragment=\"1\"\u003eSingle piece frame for strength and light-weight\u003cbr data-mce-fragment=\"1\"\u003eMax line diameter 8mm\u003cbr data-mce-fragment=\"1\"\u003eUse 2x 5mm fasteners\u003cbr data-mce-fragment=\"1\"\u003e58mm fastener hole spacing\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eProduct Specifications\u003cbr\u003eSheave Ø (mm) 30\u003cbr\u003eDiameter Ø (mm) 30\u003cbr\u003eB.L. (kg) 1100\u003cbr\u003eM.W.L. (kg) 300\u003cbr\u003eMax. Rope Ø (mm) 8\u003cbr\u003eWeight (g) 34\u003cbr\u003eSheave Material Acetal\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247991144530,"sku":"RONSTAN-RF35711","price":58.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/files\/RF35711.png?v=1697766414"},{"product_id":"ronstan-rf30711hl","title":"*LAST ONE!* Ronstan 30mm High load Exit Block - RF30711HL","description":"\u003ch3\u003eApplications\u003c\/h3\u003eExit blocks minimise friction in lines passing through the deck or exiting masts and booms\u003ch3\u003eMaterials\u003c\/h3\u003eGrade 316 stainless steel load straps\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eMax. Cable Ø (mm): 3\u003cbr\u003eFastener Ø (mm): 5\u003cbr\u003eB. L. (kg): 750\u003cbr\u003eM.W.L. (kg): 300\u003cbr\u003eWeight (g): 43\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247991177298,"sku":"RONSTAN-RF30711HL","price":60.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF30711HL_86b7429c-7271-44e1-a37e-01264ce74146.jpg?v=1573680854"},{"product_id":"ronstan-rf30721","title":"Ronstan 30mm Double Exit Block - RF30721","description":"\u003ch3\u003eApplications\u003c\/h3\u003eExit blocks minimise friction in lines passing through the deck or exiting masts and booms\u003ch3\u003eMaterials\u003c\/h3\u003eGrade 316 stainless steel load straps\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eFastener Ø (mm): 5\u003cbr\u003eB. L. (kg): 750\u003cbr\u003eM.W.L. (kg): 300\u003cbr\u003eWeight (g): 60\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247991406674,"sku":"RONSTAN-RF30721","price":92.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF30721_b8c32b5b-9918-4d12-a24f-1d297fa9b593.jpg?v=1573680856"},{"product_id":"ronstan-rf35100","title":"Ronstan 30mm Single \u0026 becket - RF35100","description":"\u003cp\u003eRonstan BB Orbit™ Blocks are ultra-light, high-performance ball bearing blocks designed for dinghies and compact control systems. Composite construction, low friction bearings, and soft-attachment compatibility deliver maximum efficiency with minimal weight.\u003c\/p\u003e\n\u003cp\u003eSpecs-\u003c\/p\u003e\n\u003cp\u003eRope Ø: 8 mm\u003c\/p\u003e\n\u003cp\u003eSheave Ø: 30 mm\u003c\/p\u003e\n\u003cp\u003eBreaking Load: 600 kg\u003c\/p\u003e\n\u003cp\u003eWorking Load: 300 kg\u003c\/p\u003e\n\u003cp\u003eWeight: 22 g\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992160338,"sku":"RONSTAN-RF35100","price":45.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35100_96c002dc-2f1c-4ee1-a180-5532d95508f7.jpg?v=1573680882"},{"product_id":"ronstan-rf35101","title":"Ronstan 30mm Single \u0026 becket - RF35101","description":"\u003cp data-start=\"860\" data-end=\"1122\"\u003e\u003cstrong data-start=\"860\" data-end=\"888\"\u003eRonstan BB Orbit™ Blocks\u003c\/strong\u003e are ultra-light, high-performance ball bearing blocks designed for dinghies and compact control systems. Composite construction, low friction bearings, and soft-attachment compatibility deliver maximum efficiency with minimal weight.\u003c\/p\u003e\n\u003chr data-start=\"1124\" data-end=\"1127\"\u003e\n\u003ch3 data-start=\"1129\" data-end=\"1151\"\u003eSpecs\u003c\/h3\u003e\n\u003cul data-start=\"1152\" data-end=\"1256\"\u003e\n\u003cli data-start=\"1152\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1168\"\u003eRope Ø: 8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1188\"\u003e\n\u003cp data-start=\"1171\" data-end=\"1188\"\u003eSheave Ø: 30 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1189\" data-end=\"1214\"\u003e\n\u003cp data-start=\"1191\" data-end=\"1214\"\u003eBreaking Load: 600 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1215\" data-end=\"1239\"\u003e\n\u003cp data-start=\"1217\" data-end=\"1239\"\u003eWorking Load: 300 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1240\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1242\" data-end=\"1256\"\u003eWeight: 22 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992193106,"sku":"RONSTAN-RF35101","price":33.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35101_82dd21fc-0d53-4a76-a1a1-c0ad1a751176.jpg?v=1573680884"},{"product_id":"ronstan-rf35140","title":"Ronstan 30mm Stand up - RF35140","description":"\u003ch3\u003eInformation\u003c\/h3\u003eBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options.  \u003cbr minmax_bound=\"true\"\u003eTheir precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLightweight\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eKilogram for kilogram of working load BB Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.\u003cbr minmax_bound=\"true\"\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible. \u003cbr minmax_bound=\"true\"\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement.  Other brands just link together their single blocks with a heavy steel channel across the top of the block, with unnecessary extra cheeks adding extra weight and bulk not found in Ronstan Orbit Blocks™.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHighest working load in its class\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eThe proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003eThe sheave and bearing system is supported by a fibre-reinforced load frame, computer modelled and optimised using advanced stress analysis methods. The Dyneema® Link, used in multi-sheave blocks, is produced from high spec SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eSimple, versatile and secure attachment\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin.  The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.\u003cbr minmax_bound=\"true\"\u003eThese blocks are far more compatible with Dyneema®\/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLow profile and compact\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe two way head in the single lashing block allows for alignment at 0° or 90° orientation, while the single swivel block allows for full articulation. \u003cbr minmax_bound=\"true\"\u003eThe flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. \u003cbr minmax_bound=\"true\"\u003eBeckets have been carefully designed to minimise height. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHigh performance cleating\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eRonstan BB Orbit Blocks™ feature strong, lightweight fibre-reinforced cleat arms optimised at the required cleating angle. Race-proven, carbon-fibre reinforced Ronstan C-Cleats give secure rope holding with low entry and exit efforts, and are fitted with fairleads for fast action from any angle.\u003cbr minmax_bound=\"true\"\u003e*RF35100 \u0026amp; RF35100D have stainless steel head posts \u0026amp; shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e  \u003cstrong minmax_bound=\"true\"\u003eUser Instructions\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eFor comprehensive details including \u003ca style=\"COLOR: #808000\" href=\"http:\/\/www.ronstan.com\/marine\/orbitblock-instructions.asp\"\u003e user instructions\u003c\/a\u003e, and for spare part tables, and fastener sizes view in various languages using the following links \u003ca style=\"COLOR: #ff0000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1Fdm9Td0JnaWczTEE\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e  (English),  \u003ca style=\"COLOR: #0000ff\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FUzlXMWEzYzZabDQ\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e (French), \u003ca style=\"COLOR: #808000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FSmFMellHMWN1VUk\/view?usp=sharing\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions \u003c\/a\u003e(German)\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems and spinnaker sheets on dinghies to 5m (16ft)\u003cbr\u003eHalyard, vang and backstay applications on boats to 5m (16ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eB. L. (kg): 600\u003cbr\u003eM.W.L. (kg): 300\u003cbr\u003eWeight (g): 33\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992422482,"sku":"RONSTAN-RF35140","price":66.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35140_7148d87a-add1-4b44-8ebf-9640827c1c93.jpg?v=1573680886"},{"product_id":"ronstan-rf35151","title":"Ronstan 30mm Cheek Block - RF35151","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp\u003e\u003cspan\u003eRonstan Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis cheek block can be either bolted or screwed to a surface to redirect running lines. \u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"product-feature-list bullet-list\"\u003e\n\u003cli\u003eBase suits curved mounting base\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eHighest working load in its class\u003c\/li\u003e\n\u003cli\u003eSecure, versatile attachment\u003c\/li\u003e\n\u003cli\u003eUltra low profile thru-sheave becket.\u003c\/li\u003e\n\u003cli\u003eLow friction 2-stage ball bearing system provides consistent performance over the full working load range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp\u003e\u003cspan\u003eSheave Ø30 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMax. Rope Ø8 mm\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eM.W.L.300 kg \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eB. L.600 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight21 g\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992455250,"sku":"RONSTAN-RF35151","price":32.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35151_d442c366-010b-4f82-929a-0bfe3894355f.jpg?v=1573680888"},{"product_id":"ronstan-rf35202","title":"Ronstan 30mm Double - RF35202","description":"\u003ch3\u003eInformation\u003c\/h3\u003eBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options.  \u003cbr minmax_bound=\"true\"\u003eTheir precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLightweight\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eKilogram for kilogram of working load BB Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.\u003cbr minmax_bound=\"true\"\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible. \u003cbr minmax_bound=\"true\"\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement.  Other brands just link together their single blocks with a heavy steel channel across the top of the block, with unnecessary extra cheeks adding extra weight and bulk not found in Ronstan Orbit Blocks™.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHighest working load in its class\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eThe proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003eThe sheave and bearing system is supported by a fibre-reinforced load frame, computer modelled and optimised using advanced stress analysis methods. The Dyneema® Link, used in multi-sheave blocks, is produced from high spec SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eSimple, versatile and secure attachment\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin.  The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.\u003cbr minmax_bound=\"true\"\u003eThese blocks are far more compatible with Dyneema®\/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLow profile and compact\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe two way head in the single lashing block allows for alignment at 0° or 90° orientation, while the single swivel block allows for full articulation. \u003cbr minmax_bound=\"true\"\u003eThe flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. \u003cbr minmax_bound=\"true\"\u003eBeckets have been carefully designed to minimise height. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHigh performance cleating\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eRonstan BB Orbit Blocks™ feature strong, lightweight fibre-reinforced cleat arms optimised at the required cleating angle. Race-proven, carbon-fibre reinforced Ronstan C-Cleats give secure rope holding with low entry and exit efforts, and are fitted with fairleads for fast action from any angle.\u003cbr minmax_bound=\"true\"\u003e*RF35100 \u0026amp; RF35100D have stainless steel head posts \u0026amp; shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e  \u003cstrong minmax_bound=\"true\"\u003eUser Instructions\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eFor comprehensive details including \u003ca style=\"COLOR: #808000\" href=\"http:\/\/www.ronstan.com\/marine\/orbitblock-instructions.asp\"\u003e user instructions\u003c\/a\u003e, and for spare part tables, and fastener sizes view in various languages using the following links \u003ca style=\"COLOR: #ff0000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1Fdm9Td0JnaWczTEE\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e  (English),  \u003ca style=\"COLOR: #0000ff\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FUzlXMWEzYzZabDQ\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e (French), \u003ca style=\"COLOR: #808000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FSmFMellHMWN1VUk\/view?usp=sharing\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions \u003c\/a\u003e(German)\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems and spinnaker sheets on dinghies to 5m (16ft)\u003cbr\u003eHalyard, vang and backstay applications on boats to 5m (16ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eB. L. (kg): 900\u003cbr\u003eM.W.L. (kg): 450\u003cbr\u003eWeight (g): 56\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992684626,"sku":"RONSTAN-RF35202","price":85.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35202-with-shackle_aaf327df-33f1-4daf-8e74-a79256bf031d.jpg?v=1573680890"},{"product_id":"ronstan-rf35212","title":"Ronstan 30mm Double\/Becket - RF35212","description":"\u003ch3\u003eInformation\u003c\/h3\u003eBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options.  \u003cbr minmax_bound=\"true\"\u003eTheir precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLightweight\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eKilogram for kilogram of working load BB Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.\u003cbr minmax_bound=\"true\"\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible. \u003cbr minmax_bound=\"true\"\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement.  Other brands just link together their single blocks with a heavy steel channel across the top of the block, with unnecessary extra cheeks adding extra weight and bulk not found in Ronstan Orbit Blocks™.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHighest working load in its class\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eThe proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003eThe sheave and bearing system is supported by a fibre-reinforced load frame, computer modelled and optimised using advanced stress analysis methods. The Dyneema® Link, used in multi-sheave blocks, is produced from high spec SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eSimple, versatile and secure attachment\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin.  The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.\u003cbr minmax_bound=\"true\"\u003eThese blocks are far more compatible with Dyneema®\/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLow profile and compact\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe two way head in the single lashing block allows for alignment at 0° or 90° orientation, while the single swivel block allows for full articulation. \u003cbr minmax_bound=\"true\"\u003eThe flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. \u003cbr minmax_bound=\"true\"\u003eBeckets have been carefully designed to minimise height. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHigh performance cleating\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eRonstan BB Orbit Blocks™ feature strong, lightweight fibre-reinforced cleat arms optimised at the required cleating angle. Race-proven, carbon-fibre reinforced Ronstan C-Cleats give secure rope holding with low entry and exit efforts, and are fitted with fairleads for fast action from any angle.\u003cbr minmax_bound=\"true\"\u003e*RF35100 \u0026amp; RF35100D have stainless steel head posts \u0026amp; shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e  \u003cstrong minmax_bound=\"true\"\u003eUser Instructions\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eFor comprehensive details including \u003ca style=\"COLOR: #808000\" href=\"http:\/\/www.ronstan.com\/marine\/orbitblock-instructions.asp\"\u003e user instructions\u003c\/a\u003e, and for spare part tables, and fastener sizes view in various languages using the following links \u003ca style=\"COLOR: #ff0000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1Fdm9Td0JnaWczTEE\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e  (English),  \u003ca style=\"COLOR: #0000ff\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FUzlXMWEzYzZabDQ\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e (French), \u003ca style=\"COLOR: #808000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FSmFMellHMWN1VUk\/view?usp=sharing\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions \u003c\/a\u003e(German)\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems and spinnaker sheets on dinghies to 5m (16ft)\u003cbr\u003eHalyard, vang and backstay applications on boats to 5m (16ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eB. L. (kg): 900\u003cbr\u003eM.W.L. (kg): 450\u003cbr\u003eWeight (g): 57\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992750162,"sku":"RONSTAN-RF35212","price":88.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35212-with-shackle_ce31fd8e-4286-4351-a70d-98ee620d1550.jpg?v=1573680893"},{"product_id":"ronstan-rf35302","title":"Ronstan 30mm Triple - RF35302","description":"\u003ch3\u003eInformation\u003c\/h3\u003eBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options.  \u003cbr minmax_bound=\"true\"\u003eTheir precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLightweight\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eKilogram for kilogram of working load BB Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.\u003cbr minmax_bound=\"true\"\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible. \u003cbr minmax_bound=\"true\"\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement.  Other brands just link together their single blocks with a heavy steel channel across the top of the block, with unnecessary extra cheeks adding extra weight and bulk not found in Ronstan Orbit Blocks™.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHighest working load in its class\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eThe proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003eThe sheave and bearing system is supported by a fibre-reinforced load frame, computer modelled and optimised using advanced stress analysis methods. The Dyneema® Link, used in multi-sheave blocks, is produced from high spec SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eSimple, versatile and secure attachment\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin.  The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.\u003cbr minmax_bound=\"true\"\u003eThese blocks are far more compatible with Dyneema®\/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eLow profile and compact\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eThe two way head in the single lashing block allows for alignment at 0° or 90° orientation, while the single swivel block allows for full articulation. \u003cbr minmax_bound=\"true\"\u003eThe flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. \u003cbr minmax_bound=\"true\"\u003eBeckets have been carefully designed to minimise height. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eHigh performance cleating\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003eRonstan BB Orbit Blocks™ feature strong, lightweight fibre-reinforced cleat arms optimised at the required cleating angle. Race-proven, carbon-fibre reinforced Ronstan C-Cleats give secure rope holding with low entry and exit efforts, and are fitted with fairleads for fast action from any angle.\u003cbr minmax_bound=\"true\"\u003e*RF35100 \u0026amp; RF35100D have stainless steel head posts \u0026amp; shackles.\u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003e  \u003cstrong minmax_bound=\"true\"\u003eUser Instructions\u003cbr minmax_bound=\"true\"\u003e\u003c\/strong\u003eFor comprehensive details including \u003ca style=\"COLOR: #808000\" href=\"http:\/\/www.ronstan.com\/marine\/orbitblock-instructions.asp\"\u003e user instructions\u003c\/a\u003e, and for spare part tables, and fastener sizes view in various languages using the following links \u003ca style=\"COLOR: #ff0000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1Fdm9Td0JnaWczTEE\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e  (English),  \u003ca style=\"COLOR: #0000ff\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FUzlXMWEzYzZabDQ\/edit\" minmax_bound=\"true\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e (French), \u003ca style=\"COLOR: #808000\" href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FSmFMellHMWN1VUk\/view?usp=sharing\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions \u003c\/a\u003e(German)\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems and spinnaker sheets on dinghies to 5m (16ft)\u003cbr\u003eHalyard, vang and backstay applications on boats to 5m (16ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 8\u003cbr\u003eSheave Ø (mm): 30\u003cbr\u003eB. L. (kg): 1100\u003cbr\u003eM.W.L. (kg): 550\u003cbr\u003eWeight (g): 79\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31247992782930,"sku":"RONSTAN-RF35302","price":108.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35302-with-shackle_800391af-88e1-4647-b11e-816823f4e442.jpg?v=1573680895"},{"product_id":"ronstan-rf45140","title":"*LAST ONE!* Ronstan 40mm Single Orbit - RF45140","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eLightweight\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eKilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e  \u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e  \u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block.\u003c\/p\u003e   \u003cp\u003e\u003cstrong\u003eHighest working load in its class\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.\u003c\/p\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised.   \u003cstrong\u003eUser Instructions\u003cbr\u003e\u003c\/strong\u003eFor comprehensive details including \u003ca href=\"http:\/\/www.ronstan.com\/marine\/orbitblock-instructions.asp\"\u003euser instructions\u003c\/a\u003e, and for spare part tables, and fastener sizes view in various languages using the following links \u003ca href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1Fdm9Td0JnaWczTEE\/edit\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e  (English),  \u003ca href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FUzlXMWEzYzZabDQ\/edit\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions\u003c\/a\u003e (French), \u003ca href=\"https:\/\/drive.google.com\/file\/d\/0B5-g_RY2uN1FSmFMellHMWN1VUk\/edit\"\u003eBB \u0026amp; RT OrbitBlock™ User Instructions (German)\u003c\/a\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems on spinnaker sheet on dinghies to 5m (16ft)\u003cbr\u003eSpinnaker sheets on dinghies, sportsboats and small keel boats to 5m (16ft)\u003cbr\u003eHalyard, vang and backstay applications on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eMaterials\u003c\/h3\u003eBall Bearings - High compression stregnth carbon black Acetal.\u003cbr\u003eStage 2 Bearing - Glass fibre reinforced, MoS2 impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eSheave - Carbon fibre reinforced, PTFE impreganated Nylon\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 9\u003cbr\u003eSheave Ø (mm): 40\u003cbr\u003eB. L. (kg): 650\u003cbr\u003eM.W.L. (kg): 325*\u003cbr\u003eWeight (g): 54\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248000876626,"sku":"RONSTAN-RF45140","price":55.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF45140_ce776ca8-a34f-45d1-8f2e-36c286ef66da.jpg?v=1573680980"},{"product_id":"ronstan-rf45151","title":"*** CLEARANCE *** Ronstan 40mm Cheek Block - RF45151","description":"\u003ch3\u003e\u003c\/h3\u003e\n\u003cp\u003eRonstan Orbit Blocks are the highest working load in its class. \u003cbr\u003eThe unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\nUltra Lightweight. \u003cbr\u003eLow friction 2-stage Orbital ball bearing system. \u003cbr\u003eHighest working load in its class. \u003cbr\u003eLow profile and compact. \u003cbr\u003eHigh performance cleating. \u003cbr\u003e\u003cbr\u003eMainsheet systems or spinnaker sheet on dinghies to 5m (16ft). \u003cbr\u003eSpinnaker sheets on dinghies, sportsboats and small keel boats to 5m (16ft). \u003cbr\u003eHalyard, vang and backstay applications on boats to 8m (26ft). \u003cbr\u003eControl line applications on larger yachts. \n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nBall Bearings - High compression stregnth carbon black Acetal.\u003cbr\u003eStage 2 Bearing - Glass fibre reinforced, MoS2 impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eSheave - Carbon fibre reinforced, PTFE impreganated Nylon\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eMax. Rope Ø (mm): 9\u003cbr\u003eSheave Ø (mm): 40\u003cbr\u003eB. L. (kg): 700\u003cbr\u003eM.W.L. (kg): 325\u003cbr\u003eWeight (g): 32\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248001106002,"sku":"RONSTAN-RF45151","price":38.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF45151_78a0c2c7-7a8f-4236-83c8-30596975b60b.jpg?v=1573680981"},{"product_id":"ronstan-rf55101","title":"Ronstan 55mm Single Orbit  RF55101","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eLightweight\u003c\/strong\u003e\u003cbr\u003e  Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e    \u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e    \u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block. \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eHighest working load in its class \u003cbr\u003e\u003c\/strong\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The  proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point. \u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)\u003cbr\u003eHalyard, Vang and Backstay application on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eMaterials\u003c\/h3\u003eBall bearings - High compression strength carbon black Acetal\u003cbr\u003eStage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eRope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 10\u003cbr\u003eSheave Ø (mm): 55\u003cbr\u003eB. L. (kg): 1000\u003cbr\u003eM.W.L. (kg): 500\u003cbr\u003eWeight (g): 68\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248007888978,"sku":"RONSTAN-RF55101","price":77.7,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF55101_d0f1011a-6a67-437f-b0dd-7a2753dfcbb1.jpg?v=1573681078"},{"product_id":"ronstan-rf55110","title":"Ronstan 55mm Single Orbit - RF55110","description":"\u003ch3\u003e\n\u003cstrong\u003eLightweight. \u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003eKilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e\n\u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e\n\u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest working load in its class \u003cbr\u003e\u003c\/strong\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The  proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003c\/p\u003e\nUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nHalyard, Vang and Backstay application on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\nBall bearings - High compression strength carbon black Acetal\u003cbr\u003eStage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003ePin Ø (mm): 5\u003cbr\u003eMax. Rope Ø (mm): 10\u003cbr\u003eSheave Ø (mm): 55\u003cbr\u003eB. L. (kg): 1000\u003cbr\u003eM.W.L. (kg): 500\u003cbr\u003eWeight (g): 88\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/u_Zc_KYMbuE\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248010772562,"sku":"RONSTAN-RF55110","price":90.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF55110_1de0edc0-1f1d-4b87-a00a-95e9980c86f6.jpg?v=1573681083"},{"product_id":"ronstan-rf55111","title":"Ronstan 55mm Single orbit - RF55111","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eLightweight\u003c\/strong\u003e\u003cbr\u003e  Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e    \u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e    \u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block. \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eHighest working load in its class \u003cbr\u003e\u003c\/strong\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The  proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point. \u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\u003ch3\u003eApplications\u003c\/h3\u003eMainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)\u003cbr\u003eHalyard, Vang and Backstay application on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\u003ch3\u003eMaterials\u003c\/h3\u003eBall bearings - High compression strength carbon black Acetal\u003cbr\u003eStage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eRope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 10\u003cbr\u003eSheave Ø (mm): 55\u003cbr\u003eB. L. (kg): 1000\u003cbr\u003eM.W.L. (kg): 500\u003cbr\u003eWeight (g): 75\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248011722834,"sku":"RONSTAN-RF55111","price":86.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF55111_96dc973d-c9a3-449f-b004-829b3d54bfd4.jpg?v=1573681085"},{"product_id":"ronstan-rf55151","title":"Ronstan 55mm Cheek Block - RF55151","description":"\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eRonstan 55mm Cheek block.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eKilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e\n\u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e\n\u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest working load in its class \u003cbr\u003e\u003c\/strong\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The  proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003eUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eMainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)\u003cbr\u003eHalyard, Vang and Backstay application on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cp\u003eBall bearings - High compression strength carbon black Acetal\u003cbr\u003eStage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eRope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 10\u003cbr\u003eSheave Ø (mm): 55\u003cbr\u003eB. L. (kg): 1000\u003cbr\u003eM.W.L. (kg): 500\u003cbr\u003eWeight (g): 70\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248011755602,"sku":"RONSTAN-RF55151","price":75.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/rf55151_c0dcb3b6-cf80-4f1c-8b39-36f23dec04cf.jpg?v=1573681087"},{"product_id":"ronstan-rf55210","title":"Ronstan 55mm Double - RF55210","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLightweight\u003c\/strong\u003e\u003cbr\u003e Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.\u003c\/p\u003e\n\u003cp\u003eWeight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.\u003c\/p\u003e\n\u003cp\u003eMulti-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest working load in its class \u003cbr\u003e\u003c\/strong\u003eThe orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The  proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range. \u003cbr minmax_bound=\"true\"\u003e\u003cbr minmax_bound=\"true\"\u003eThe floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\nUltra Lightweight\u003cbr\u003eLow friction 2-stage Orbital ball bearing system\u003cbr\u003eHighest working load in its class\u003cbr\u003eLow profile and compact\u003cbr\u003eHigh performance cleating\n\u003ch3\u003eApplications\u003c\/h3\u003e\nMainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)\u003cbr\u003eHalyard, Vang and Backstay application on boats to 8m (26ft)\u003cbr\u003eControl line applications on larger yachts\n\u003ch3\u003eMaterials\u003c\/h3\u003e\nBall bearings - High compression strength carbon black Acetal\u003cbr\u003eStage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon\u003cbr\u003eFrame\/Cheeks - Toughened, glass fibre reinforced Nylon\u003cbr\u003eRope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003ePin Ø (mm): 5\u003cbr\u003eMax. Rope Ø (mm): 10\u003cbr\u003eSheave Ø (mm): 55\u003cbr\u003eB. L. (kg): 1500\u003cbr\u003eM.W.L. (kg): 750*\u003cbr\u003eWeight (g): 172\u003c\/p\u003e\n\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/u_Zc_KYMbuE\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\n\n","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248012083282,"sku":"RONSTAN-RF55210","price":175.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF55210_881db273-2508-4e1f-9c4d-ca723df8fe74.jpg?v=1573681090"},{"product_id":"ronstan-rf64100","title":"Ronstan 60mm Single Core - RF64100","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cdiv minmax_bound=\"true\"\u003eCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e  \u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eUniversal Bearing -\u003c\/strong\u003e\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eDynamic and high static load performance\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\u003c\/p\u003e  \u003cdiv minmax_bound=\"true\"\u003e \u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eAlloy cheek plates\u003c\/strong\u003e\u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings.\u003cspan minmax_bound=\"true\"\u003e  \u003c\/span\u003eCheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eClass leading performance and sleek, contemporary styling\u003cbr\u003eExcellent dynamic and high static load performance\u003cbr\u003eLess than half the friction of the nearest competitor\u003ch3\u003eApplications\u003c\/h3\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 11m (36ft).\u003cbr\u003eVarious control line applications on larger yachts.\u003cbr\u003eAlloy sheave models are available for use with wire.\u003ch3\u003eMaterials\u003c\/h3\u003eSheaves: U.V. stabilised Acetal\u003cbr\u003eCheek plates \u0026amp; cleat arms: Aluminium alloy\u003cbr\u003eBall Bearings: High compression strength carbon black Acetal\u003cbr\u003eShackle, post \u0026amp; hub: Grade 316 stainless steel\u003cbr\u003ePadeye \u0026amp; snap shackle: Grade 15-5PH stainless steel\u003cbr\u003eSnap shackle: Grade 15-5PH investment cast stainless steel\u003cbr\u003eCleat: Fibre reinforced composite\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003ePin Ø (mm): 6\u003cbr\u003eMax. Rope Ø (mm): 12\u003cbr\u003eSheave Ø (mm): 60\u003cbr\u003eB. L. (kg): 2000\u003cbr\u003eM.W.L. (kg): 1000\u003cbr\u003eWeight (g): 235\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248023552082,"sku":"RONSTAN-RF64100","price":191.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF64100_a4e19149-051a-4b27-bf5e-0d3a9da2aaeb.jpg?v=1573681194"},{"product_id":"ronstan-rf64110","title":"Ronstan 60mm Single Core - RF64110","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cdiv minmax_bound=\"true\"\u003eCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e  \u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eUniversal Bearing -\u003c\/strong\u003e\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eDynamic and high static load performance\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\u003c\/p\u003e  \u003cdiv minmax_bound=\"true\"\u003e \u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eAlloy cheek plates\u003c\/strong\u003e\u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings.\u003cspan minmax_bound=\"true\"\u003e  \u003c\/span\u003eCheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eClass leading performance and sleek, contemporary styling\u003cbr\u003eExcellent dynamic and high static load performance\u003cbr\u003eLess than half the friction of the nearest competitor\u003ch3\u003eApplications\u003c\/h3\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 11m (36ft).\u003cbr\u003eVarious control line applications on larger yachts.\u003cbr\u003eAlloy sheave models are available for use with wire.\u003ch3\u003eMaterials\u003c\/h3\u003eSheaves: U.V. stabilised Acetal\u003cbr\u003eCheek plates \u0026amp; cleat arms: Aluminium alloy\u003cbr\u003eBall Bearings: High compression strength carbon black Acetal\u003cbr\u003eShackle, post \u0026amp; hub: Grade 316 stainless steel\u003cbr\u003ePadeye \u0026amp; snap shackle: Grade 15-5PH stainless steel\u003cbr\u003eSnap shackle: Grade 15-5PH investment cast stainless steel\u003cbr\u003eCleat: Fibre reinforced composite\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003ePin Ø (mm): 6\u003cbr\u003eMax. Rope Ø (mm): 12\u003cbr\u003eSheave Ø (mm): 60\u003cbr\u003eB. L. (kg): 2000\u003cbr\u003eM.W.L. (kg): 1000\u003cbr\u003eWeight (g): 275\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248023617618,"sku":"RONSTAN-RF64110","price":243.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF64110_5652ea45-0172-4ddc-9a6c-7df440bbdd35.jpg?v=1573681196"},{"product_id":"ronstan-rf64151","title":"Ronstan 60mm Single foot block - RF64151","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\n\u003cdiv\u003eCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Bearing -\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDynamic and high static load performance\u003c\/p\u003e\n\u003cp\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/p\u003e\n\u003cp\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\u003c\/p\u003e\n\u003cp\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\u003c\/p\u003e\n\u003cp\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eAlloy cheek plates\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings.\u003cspan\u003e  \u003c\/span\u003eCheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003eClass leading performance and sleek, contemporary styling\u003cbr\u003eExcellent dynamic and high static load performance\u003cbr\u003eLess than half the friction of the nearest competitor\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 11m (36ft).\u003cbr\u003eVarious control line applications on larger yachts.\u003cbr\u003eAlloy sheave models are available for use with wire.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cp\u003eSheaves: U.V. stabilised Acetal\u003cbr\u003eCheek plates \u0026amp; cleat arms: Aluminium alloy\u003cbr\u003eBall Bearings: High compression strength carbon black Acetal\u003cbr\u003eShackle, post \u0026amp; hub: Grade 316 stainless steel\u003cbr\u003ePadeye \u0026amp; snap shackle: Grade 15-5PH stainless steel\u003cbr\u003eSnap shackle: Grade 15-5PH investment cast stainless steel\u003cbr\u003eCleat: Fibre reinforced composite\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eMax. Rope Ø (mm): 12\u003cbr\u003eSheave Ø (mm): 60\u003cbr\u003eB. L. (kg): 2000\u003cbr\u003eM.W.L. (kg): 1000\u003cbr\u003eWeight (g): 180\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Online Range Product\u003c\/strong\u003e\u003cbr\u003eDispatches 1-2 weeks from time of order. This product is part of our Extended Online Range. It’s from one of our trusted suppliers but isn’t currently held in our standard stocked range. It’s available online only and takes just a little longer to dispatch.\u003cbr\u003e\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248023683154,"sku":"RONSTAN-RF64151","price":221.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF64151_4993fff8-2a11-4292-954c-0ab2591c11bf.jpg?v=1573681198"},{"product_id":"ronstan-rf64202","title":"Ronstan 60mm Double - RF64202","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\u003cdiv minmax_bound=\"true\"\u003eCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e  \u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eUniversal Bearing -\u003c\/strong\u003e\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eDynamic and high static load performance\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\u003c\/p\u003e  \u003cp minmax_bound=\"true\"\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\u003c\/p\u003e  \u003cdiv minmax_bound=\"true\"\u003e \u003c\/div\u003e  \u003cdiv minmax_bound=\"true\"\u003e\u003cstrong minmax_bound=\"true\"\u003eAlloy cheek plates\u003c\/strong\u003e\u003c\/div\u003e  \u003cp minmax_bound=\"true\"\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings.\u003cspan minmax_bound=\"true\"\u003e  \u003c\/span\u003eCheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003eClass leading performance and sleek, contemporary styling\u003cbr\u003eExcellent dynamic and high static load performance\u003cbr\u003eLess than half the friction of the nearest competitor\u003ch3\u003eApplications\u003c\/h3\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 11m (36ft).\u003cbr\u003eVarious control line applications on larger yachts.\u003cbr\u003eAlloy sheave models are available for use with wire.\u003ch3\u003eMaterials\u003c\/h3\u003eSheaves: U.V. stabilised Acetal\u003cbr\u003eCheek plates \u0026amp; cleat arms: Aluminium alloy\u003cbr\u003eBall Bearings: High compression strength carbon black Acetal\u003cbr\u003eShackle, post \u0026amp; hub: Grade 316 stainless steel\u003cbr\u003ePadeye \u0026amp; snap shackle: Grade 15-5PH stainless steel\u003cbr\u003eSnap shackle: Grade 15-5PH investment cast stainless steel\u003cbr\u003eCleat: Fibre reinforced composite\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eMax. Rope Ø (mm): 12\u003cbr\u003eSheave Ø (mm): 60\u003cbr\u003eB. L. (kg): 2000\u003cbr\u003eM.W.L. (kg): 1000\u003cbr\u003eWeight (g): 390\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":31248023814226,"sku":"RONSTAN-RF64202","price":393.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF64202_823b0337-e1b9-4996-b78c-eae10979baab.jpg?v=1573681200"},{"product_id":"ronstan-30mm-lashing-single-becket-rf35109hl","title":"Ronstan 30mm High load single becket - RF35109HL 1650kg","description":"\u003cp\u003eRonstan's New High Load 30 series block with a 1650kg BL.\u003cbr\u003eThis block has a ultra-strong HHL sheave and bearing race made of Grade 2205 stainless steel, and the Balls are Grade 316.\u003cbr\u003eThe RF35109HL features class leading dynamic and static load ratings for a 30mm block.\u003cbr\u003eFrame\/cheeks: Glass fibre reinforced nylon. \u003cbr\u003eLow profile and compact, through sheave becket. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSheave Ø 30 mm\u003cbr\u003eMax. Rope Ø 8 mm\u003cbr\u003eMax. Cable Ø 8 mm\u003cbr\u003eM.W.L. 550 kg\u003cbr\u003eB. L. 1650 kg\u003cbr\u003eWeight 42 g\u003c\/p\u003e\n\u003cul class=\"bullet-list\"\u003e\n\u003cli\u003eMainsheet systems and spinnaker sheets on dinghies to 5m (16ft)\u003c\/li\u003e\n\u003cli\u003eHalyard, vang and backstay applications on boats to 5m (16ft)\u003c\/li\u003e\n\u003cli\u003eControl line applications on larger yachts\u003c\/li\u003e\n\u003cli\u003eIdeal for high load applications such as halyards, cascading vangs, backstays, outhauls and cunningham systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong minmax_bound=\"true\"\u003eSimple, versatile and secure attachment\u003c\/strong\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cspan\u003eThe single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin.  The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.\u003c\/span\u003e\u003cbr minmax_bound=\"true\"\u003e\u003cspan\u003eThese blocks are far more compatible with Dyneema®\/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":32334731542610,"sku":"RF35109HL","price":135.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF35109HL.jpg?v=1588905766"},{"product_id":"ronstan-20mm-triple-becket-cleat-rf20332","title":"Ronstan 20mm Triple Becket Cleat- RF20332","description":"\u003ch3\u003eInformation\u003c\/h3\u003e\nPrecision moulded Acetal sheaves running on stainless steel or Torlon\u003csup minmax_bound=\"true\"\u003e®\u003c\/sup\u003e ball bearings provide high performance \u0026amp; low friction.\n\u003ch3\u003eFeatures\u003c\/h3\u003e\nLow friction\u003cbr\u003eHigh static and dynamic load capacity\u003cbr\u003eLightweight\n\u003ch3\u003eApplications\u003c\/h3\u003e\nDinghy control lines\u003cbr\u003eDinghy vangs\u003cbr\u003eCunninghams\u003cbr\u003eTraveller controls\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003ePin Ø (mm): 4\u003cbr\u003eMax. Rope Ø (mm): 6\u003cbr\u003eSheave Ø (mm): 20\u003cbr\u003eB. L. (kg): 850\u003cbr\u003eM.W.L. (kg): 400\u003cbr\u003eWeight (g): 122\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":32803547676754,"sku":"RONSTAN-RF20332","price":149.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20332.jpg?v=1598496447"},{"product_id":"sheaves-acetal-ball-bearing","title":"*LAST ONE!* Ronstan Sheave RF1766 - Ball Bearing, OD:38mm x ID:8mm x W:15mm","description":"\u003cp\u003eRonstan RF1766 rope sheave, \u003cspan data-mce-fragment=\"1\"\u003ePrecision moulded Acetal sheaves running on \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eball bearings provide high performance \u0026amp; low friction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eU.V. resistant acetal sheaves\u003cbr\u003eAcetal ball bearings\u003cbr\u003e\u003cbr\u003eDiameter: 38.0 mm\u003cbr data-mce-fragment=\"1\"\u003eWidth: 15.0 mm\u003cbr data-mce-fragment=\"1\"\u003eBore: 8.0 mm\u003cbr data-mce-fragment=\"1\"\u003eMax. Rope Ø 10 mm\u003cbr\u003e\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":32818093555794,"sku":"Rf1766","price":41.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RonstanRf1766.png?v=1599020694"},{"product_id":"ronstan-lead-block-20mm-rf20171","title":"Ronstan Lead Block 20mm RF20171","description":"\u003cp\u003eRonstan Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance \u0026amp; low friction.\u003c\/p\u003e\n\u003cp\u003eSheave Ø 20 mm\u003cbr data-mce-fragment=\"1\"\u003eMax. Rope Ø 6 mm\u003cbr data-mce-fragment=\"1\"\u003eMax. Cable Ø - mm\u003cbr data-mce-fragment=\"1\"\u003eFastener Ø 4.0 mm\u003cbr data-mce-fragment=\"1\"\u003eM.W.L. 250 kg\u003cbr data-mce-fragment=\"1\"\u003eB. L. 550 kg\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":32875519541330,"sku":"RF20171","price":33.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF20171.jpg?v=1600473360"},{"product_id":"ronstan-lead-block-30mm-rf30171","title":"Ronstan Lead Block 30mm RF30171","description":"\u003cp\u003eRonstan Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance \u0026amp; low friction.\u003c\/p\u003e\n\u003cp\u003eSheave Ø 30 mm\u003cbr\u003eMax. Rope Ø 8 mm\u003cbr\u003eMax. Cable Ø - mm\u003cbr\u003eFastener Ø 5.0 mm\u003cbr\u003eM.W.L. 300 kg\u003cbr\u003eB. L. 750 kg\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":32875523506258,"sku":"RF30171","price":51.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/9671\/2274\/products\/RF30171.jpg?v=1600473457"}],"url":"https:\/\/obornsnautical.co.nz\/collections\/blocks-ball-bearing\/dinghy.oembed","provider":"Oborn's Nautical","version":"1.0","type":"link"}