{"product_id":"fsa-dx-pro-internal-external-headset-1-1-8-to-1-5-tapered-44-0-49-6mm","title":"FSA DX Pro Internal\/External Headset 1.1\/8\" to 1.5\" Tapered 44.0\/49.6mm","description":"\u003cp\u003eThe FSA DX Pro Internal\/External Headset is engineered for precision and durability, designed to fit tapered 50\/57mm OD head tubes with a 1.1\/8 to 1.5\" tapered fork. Its combination of an alloy upper cup and forged alloy lower cup ensures reliable performance and longevity. Featuring a 36°×45° angular contact bearing in the upper section and a 1.5\" bearing in the lower, this headset provides smooth steering and enhanced control.\u003c\/p\u003e\n\n\u003cp\u003eWith a compact stack height of 30.3mm, this headset balances low profile design with robust construction. The high-quality seals protect the bearings from dirt and moisture, maintaining optimal function over time. Ideal for riders seeking a durable and efficient component that supports precise handling.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsuring smooth and accurate steering on tapered head tubes\u003c\/li\u003e\n  \u003cli\u003eProviding long-lasting performance with durable alloy construction\u003c\/li\u003e\n  \u003cli\u003eMaintaining bearing protection with effective seals\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of tapered forks (1.1\/8\" to 1.5\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-tapered or incompatible head tubes\u003c\/li\u003e\n  \u003cli\u003eApplications requiring stack heights outside of 30.3mm\u003c\/li\u003e\n  \u003cli\u003eRiders seeking an ultra-lightweight headset below 128.6g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this headset compatible with all tapered forks?\u003c\/strong\u003e\u003cbr\u003eIt is designed for tapered forks between 1.1\/8\" and 1.5\" diameter, fitting head tubes with 50\/57mm outer diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace the bearings separately?\u003c\/strong\u003e\u003cbr\u003eYes, spares like the top bearing (TH873E) and bottom bearing (TH073E) are available for easy maintenance.\u003c\/p\u003e","brand":"FSA","offers":[{"title":"44.0mm \/ Black \/ 50.0mm","offer_id":45965258391727,"sku":"130-0006018010","price":61.19,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/130-0006018010.jpg?v=1768532823","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/fsa-dx-pro-internal-external-headset-1-1-8-to-1-5-tapered-44-0-49-6mm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}