{"product_id":"45cm-alluminum-mast-extension-us-used","title":"45cm Alluminum Mast Extension US USED","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Chinook 45cm Aluminum Mast Extension US is a premium windsurfing mast extension designed to deliver exceptional strength, precision, and reliability for a wide range of sailing conditions. Engineered with high-quality marine-grade aluminum, this durable mast extension provides the adjustability and performance needed to properly rig larger windsurfing sails while maintaining maximum efficiency on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned with the trusted US Cup connection system, the Chinook 45cm Aluminum Mast Extension offers a secure, dependable connection between your mast and universal joint. Its precision-machined construction ensures a solid fit that minimizes movement under load, giving riders improved rig stability and confidence in demanding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe generous 45cm adjustment range makes this mast extension ideal for larger freeride, freerace, slalom, race, and recreational windsurfing sails. Clearly marked adjustment increments allow for fast and accurate rig tuning, making it easy to achieve the correct luff length for optimal sail shape and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from lightweight, corrosion-resistant aluminum, the extension is built to withstand years of exposure to saltwater, freshwater, and harsh marine environments. The anodized finish helps resist corrosion while maintaining a clean appearance and dependable performance through repeated use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated pulley system is designed to reduce friction during downhauling, making sail rigging smoother and more efficient. Its reinforced base provides excellent load distribution, allowing riders to apply high downhaul tension with confidence while maintaining the structural integrity of the extension.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible with standard diameter masts (SDM) and reduced diameter masts (RDM) when used with the appropriate adapter, the Chinook 45cm Aluminum Mast Extension offers outstanding versatility for a wide variety of windsurfing setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you're tuning a powerful race sail, a freeride rig, or a recreational setup, the Chinook 45cm Aluminum Mast Extension delivers the durability, adjustability, and performance expected from one of the most respected names in windsurfing equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e45cm adjustable aluminum mast extension\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUS Cup connection system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLightweight marine-grade aluminum construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosion-resistant anodized finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision adjustment markings for accurate sail tuning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntegrated low-friction pulley system for easy downhauling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReinforced base for high-load performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with SDM masts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with RDM masts when used with an adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for freshwater and saltwater use\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chinook","offers":[{"title":"Default Title","offer_id":47803484962993,"sku":"CSCH45ALUEXTU","price":43.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0764\/9713\/files\/Untitled_d20c2065-e35f-4e62-bb80-cb99c9e7e3c4.jpg?v=1785597086","url":"https:\/\/progressivesports.com\/products\/45cm-alluminum-mast-extension-us-used","provider":"Sandy Point Progressive Sports","version":"1.0","type":"link"}