{"product_id":"fsa-alloy-replacement-headset-hs-rm-04-1-1-8-steerer-500mm-head-tube","title":"FSA Alloy Replacement Headset (HS-RM-04) 1 1\/8\" Steerer 500mm Head tube","description":"\u003cp\u003e\u003cb\u003eSIZES\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e • For 50mm OD head tube\u003c\/p\u003e\u003cp\u003e • 1-1\/8” steerer\u003c\/p\u003e\u003cp\u003e • Alloy top cover\u003c\/p\u003e\u003cp\u003e • Upper: 1-1\/8”, 36°\/ 45° ACB (Grey seal)\u003c\/p\u003e\u003cp\u003e \u003cb\u003eWEIGHT\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e • 69.7 grams\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFSA Alloy Replacement Headset Model HS-RM-04 designed for 1-1\/8\" steerer tubes\u003c\/li\u003e\n\u003cli\u003eFits 50mm OD head tubes with upper bearing rated at 1-1\/8\" diameter at 36°\/45° ACB angles\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum alloy top cover reduces weight while maintaining durability\u003c\/li\u003e\n\u003cli\u003eGrey seal bearing for smooth operation and protection against dirt and moisture\u003c\/li\u003e\n\u003cli\u003eWeighs only 69.7 grams, ideal for weight-conscious cyclists and bike builds\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":67485732208944,"sku":"14100087000012","price":44.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/6893\/8288\/files\/medium_b529a251-ceca-46b6-8cbe-12f95b64b694.jpg?v=1786307661","url":"https:\/\/www.boyercycling.com\/products\/fsa-alloy-replacement-headset-hs-rm-04-1-1-8-steerer-500mm-head-tube","provider":"BoyerCycling","version":"1.0","type":"link"}