{"product_id":"ronstan-two-speed-mainsheet-system-bottom-block-only","title":"Ronstan Two-speed Mainsheet System Bottom Block Only","description":"\u003ch2 id=\"itempage-captiontitle\" data-mce-fragment=\"1\"\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003eRonstan Two-speed Mainsheet System Bottom Block Only\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eProduct Information\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan\u003eTwo-speed mainsheet systems allow both coarse and fine tuning in a single purchase system. The system allows fine tuning of the mainsheet when sailing upwind by using one of the sheet tails and keeping the other cleated. Using both the sheets at once allows the trimmer to blow off the main quickly when rounding the top mark and trim on quickly when hardening up after rounding the bottom mark. When fitting to traveller cars, ensure adequate support for the bottom block and use appropriate stand-up spring kit. (Refer to traveller section for more information).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e \u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFeatures\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eCoarse and and fine tuning purchase system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eUnrivalled 18:1 holding power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eDual sided On-Off switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eLow friction ball bearing system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"product-feature-list bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSheave Ø - 3 + 2 in.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax. Rope Ø - 3\/8 in.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eM.W.L. -\u003cspan data-mce-fragment=\"1\"\u003e 2430 lb.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eB.L. - 5070 lb.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight - 36.5 oz.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul class=\"bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eTwo-Speed systems: Mainsheets on sportsboats and keel boats to 12m (40ft)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eMainsheets on sportsboats and keelboats to 12m (40')\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eMax. mainsail area, END boom sheeting = 42sq m (452 sq ft)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"bullet-list\" data-mce-fragment=\"1\"\u003e\n\u003cli\u003eMax. mainsail area, MID boom sheeting = 27sq m (290 sq ft)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaterials\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003eCarbon Black Acetal ball bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003eU.V. stabilised Acetal sheaves, alloy ratchet sheaves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003eCheek plates: Anodised aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003eTorlon® ratchet pawl\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli\u003eAdjustable cleat arms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39255166189637,"sku":"RF72900B","price":740.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/7349\/0245\/products\/RF72900B.jpg?v=1614887268","url":"https:\/\/www.shopsoundboatworks.com\/products\/ronstan-two-speed-mainsheet-system-bottom-block-only","provider":"Sound Boatworks","version":"1.0","type":"link"}