{"product_id":"chinook-aluminum-extension-us-cup-reduced-diameter-short-2022","title":"Chinook Aluminum Extension - US Cup Reduced Diameter Short 2022","description":"The Chinook Aluminum US Cup-RDM-Short 12cm Extension delivers premium performance for competitive sailors. Engineered with custom alloy and bell-shaped tubing, it achieves an exceptional weight-to-strength ratio that outperforms standard aluminum designs.\n\nThe innovative Composite Snap Collar system eliminates the hassle of lost pins and collars while enabling quick, single-handed adjustments. Integrated with the proven US Power-Haul pulley and cleat system, this extension provides reliable control and leverage on the water.\n\nKey features include a maximum 12cm mast extension, reduced diameter construction for compatibility, US basecup mounting, and large brass pulleys for enhanced mechanical advantage. Precise 2cm adjustment increments allow fine-tuning for optimal sail trim and performance.","brand":"Chinook","offers":[{"title":"Default Title","offer_id":45413976703010,"sku":null,"price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/5646\/4418\/files\/47S-AluminumExt_USCupRDMShort12cm_1600x_jpg_e011076d-bb69-4f38-972a-d1a040fff39d.webp?v=1782947669","url":"https:\/\/larsonsport.com\/products\/chinook-aluminum-extension-us-cup-reduced-diameter-short-2022","provider":"Larson's Ski \u0026 Sport","version":"1.0","type":"link"}