{"product_id":"chinook-carbon-extension-us-cup-standard-diameter-medium","title":"Chinook Carbon Extension - US Cup Standard Diameter Medium","description":"The Chinook Carbon Extension delivers premium performance for competitive sailors. This US Cup Standard RDM-Medium extension adds up to 32cm to your mast with precision 2cm adjustment increments. Built with advanced carbon lay-up and reinforced sidewalls, it's lighter and stronger than aluminum alternatives. The Six Pin adjusting collar provides secure positioning, while the proven US Power-Haul pulley and cleat system with large brass pulleys ensures reliable leverage and control. Engineered for sailors who demand maximum efficiency and durability.","brand":"Chinook","offers":[{"title":"Default Title","offer_id":45413977620514,"sku":null,"price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/5646\/4418\/files\/18S-CarbonExt_USCupRDMMed32cm_1600x_jpg_823d130f-5a99-4184-b41d-2ad23ddcc5e2.webp?v=1783011352","url":"https:\/\/larsonsport.com\/products\/chinook-carbon-extension-us-cup-standard-diameter-medium","provider":"Larson's Ski \u0026 Sport","version":"1.0","type":"link"}