{"product_id":"trek-round-alloy-seat-mast-cap-with-7x7mm-rail-clamp-road-bike-spares-accessories","title":"Trek Round Alloy Seat Mast Cap with 7x7mm Rail Clamp – Road Bike Spares \u0026 Accessories","description":"\u003cp\u003eUpgrade your Trek road bike with the Trek Round Alloy Seat Mast Cap, designed for durability and precise fit. Its 2-bolt design allows independent set-back and tilt adjustments, ensuring optimal comfort and riding position. Crafted from alloy, it combines strength with lightweight performance.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with all Trek road bikes featuring round seat masts, this cap includes a 7x7 mm round rail clamp for versatile seatpost compatibility. The 10mm offset provides a balanced ride, making it an essential finishing kit for your bike components collection.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise seat adjustment with independent set-back and tilt\u003c\/li\u003e\n  \u003cli\u003eCompatibility with all Trek round seat mast road bikes\u003c\/li\u003e\n  \u003cli\u003eDurable alloy construction for lasting performance\u003c\/li\u003e\n  \u003cli\u003eIncludes 7x7 mm round rail clamp for versatile use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-compatible with non-round seat masts\u003c\/li\u003e\n  \u003cli\u003eLimited to 10mm offset only\u003c\/li\u003e\n  \u003cli\u003eNot suitable for bikes outside the Trek road bike range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill this seat mast cap fit my Trek road bike?\u003c\/strong\u003e\u003cbr\u003eYes, it is compatible with all Trek road bikes that have round seat masts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust the seat angle with this cap?\u003c\/strong\u003e\u003cbr\u003eYes, the 2-bolt design allows independent set-back and tilt adjustments for a custom fit.\u003c\/p\u003e","brand":"Trek","offers":[{"title":"Black \/ 128mm","offer_id":45477757714607,"sku":"W541053","price":84.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 172mm","offer_id":45477757747375,"sku":"W541054","price":84.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1598435489-09227500.jpg?v=1768518312","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/trek-round-alloy-seat-mast-cap-with-7x7mm-rail-clamp-road-bike-spares-accessories","provider":"Swinnerton Cycles","version":"1.0","type":"link"}