{"product_id":"ronstan-8-1-4-1-two-speed-mainsheet-bottom-blocks-only","title":"Ronstan 8:1 4:1 Only Lower Two-Speed Mainsheet Blocks","description":"\u003cp\u003eRonstan Two-Speed Lower Mainsheet Blocks are key components for optimizing variable-mechanical-advantage systems. Designed specifically to work with upper blocks, they enable configurations that alternate between trimming speed and power. A spring-loaded articulated base keeps the unit upright, ensuring perfect line alignment and preventing the system from striking the deck. They are the ideal technical solution for sailors who want to customize their mainsheet system for durability, low weight, and flawless mechanical response under load.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":53389205832018,"sku":null,"price":70700000004.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/ronstan-8_1-4_1-two-speed-mainsheet-bottom-blocks-only.jpg?v=1778487434","url":"https:\/\/www.saildeckgear.com\/en\/products\/ronstan-8-1-4-1-only-lower-two-speed-mainsheet-blocks","provider":"Sail Deck Gear","version":"1.0","type":"link"}