{"product_id":"ronstan-series-30-ball-bearing-double-orbit-block-30mm-sheave","title":"Ronstan Series 30 Ball Bearing Double Orbit Block 30mm Sheave","description":"The Series 30 Ball Bearing Orbit Block delivers an exceptional strength-to-weight ratio for high-performance sailing. Engineered with advanced fibre-reinforced composites, this double sheave block features a low-friction 2-stage ball bearing system for consistent, reliable performance under load. Its low-profile design includes a thru-sheave becket for secure, versatile attachment options. Ideal for demanding racing conditions, the block is constructed from high-compression acetal and UV-stabilised materials for maximum durability. Experience efficient rope handling and minimal friction in a lightweight, compact package.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eType of Block:\u003c\/strong\u003e Double\u003cbr\u003e\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 30mm\u003cbr\u003e\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 900kg\u003cbr\u003e\u003cstrong\u003eMaximum Working Load:\u003c\/strong\u003e 450kg\u003cbr\u003e\u003cstrong\u003eMaximum Rope Diameter:\u003c\/strong\u003e 8mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.056kg\u003cbr\u003e\u003cstrong\u003eSheave Material:\u003c\/strong\u003e Carbon black Acetal\u003cbr\u003e\u003cstrong\u003eFrame Material:\u003c\/strong\u003e Glass fibre reinforced Nylon\u003cbr\u003e\u003cbr\u003eItem Code. RF35202\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48278044836072,"sku":"9316800404971","price":61.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800404971_1.jpg?v=1776722582","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-30-ball-bearing-double-orbit-block-30mm-sheave","provider":"Boat Harbour Marine","version":"1.0","type":"link"}