{"product_id":"mast-extension-u-pin-sdm-48cm-xo-sails-ar00963","title":"Mast Extension U-Pin SDM 48cm XO Sails AR00963","description":"\u003cp\u003eMast Extension U-Pin SDM 48cm XO Sails AR00963\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mast Extension U-Pin SDM 48cm from XO Sails is a precision windsurfing mast extension engineered to give you secure, adjustable mast length and reliable sail tuning on the water. Built from high-quality alloy HD with a sleek black finish, this extension delivers excellent rigidity and resistance so it holds shape under load. Key components include a high-strength cast iron pulley for smooth downhaul operation and a durable Dyneema line that resists abrasion and stretch. The U-pin (push-pin) design enables fast, tool-free installation and removal so you spend less time rigging and more time sailing. Designed for SDM (Standard Diameter Mast) systems, the extension provides predictable, precise sail trim that benefits both recreational and experienced windsurfers. Its robust construction is made to withstand demanding conditions, delivering consistent performance in a variety of wind and sea states.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality alloy HD construction for rigidity and long life  \u003c\/li\u003e\n\u003cli\u003eSleek black finish for a professional look and protective surface  \u003c\/li\u003e\n\u003cli\u003eIncluded Dyneema line for superior strength and abrasion resistance  \u003c\/li\u003e\n\u003cli\u003eHigh-strength cast iron pulley ensures smooth and reliable downhaul operation  \u003c\/li\u003e\n\u003cli\u003eU-pin (push-pin) quick-fit system for fast, tool-free installation  \u003c\/li\u003e\n\u003cli\u003eDesigned specifically for SDM (Standard Diameter Mast) compatibility  \u003c\/li\u003e\n\u003cli\u003eBuilt to resist heavy loads and challenging conditions for dependable performance  \u003c\/li\u003e\n\u003cli\u003eAvailable in two lengths (32 cm and 48 cm) to suit different rigging needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: XO Sails\u003cbr\u003e\nSKU: AR00963\u003cbr\u003e\nMaterial: Alloy HD (high-strength alloy)\u003cbr\u003e\nSize\/Dimensions: 48 cm (length)\u003cbr\u003e\nWeight: Not specified\u003cbr\u003e\nColor: Black\u003cbr\u003e\nSize: 48\u003cbr\u003e\nCategory: Mast Extensions\u003cbr\u003e\nAge Group: Adults\u003cbr\u003e\nGender: Unisex\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIdeal for recreational through advanced windsurfers who use SDM masts and need a reliable, easy-to-adjust extension for precise sail tuning. Best suited for onshore and offshore windsurfing in a range of conditions, including stronger winds and choppy water where a rigid extension improves control. Pairs well with standard SDM masts, compatible booms and sails; the included Dyneema line can be used as a durable downhaul\/adjustment line. Regular inspection and basic maintenance of the pulley and line will maximize service life.\u003c\/p\u003e","brand":"XO Sails","offers":[{"title":"Default Title","offer_id":51707158528276,"sku":"AR00963","price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/7080\/5268\/files\/AR00963_1.jpg?v=1764288680","url":"https:\/\/movesea.com\/products\/mast-extension-u-pin-sdm-48cm-xo-sails-ar00963","provider":"MOVESEA COM","version":"1.0","type":"link"}