{"product_id":"first-spurs-si-1-1-8-is41-headset","title":"FIRST Spurs SI 1-1\/8\" IS41 Headset","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eINCLUDES\u003cbr\u003e\u003c\/strong\u003e2 x Sealed Bearings (Paired)\u003cbr\u003e1 x Star Nut\u003cbr\u003e1 x Top Cap\u003cbr\u003e1 X Compression Cap\u003cbr\u003e1 x 0.25mm Shim\u003cbr\u003e1 x Crown Race Lower\u003cbr\u003e1 x Bearing Race Upper\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBEARING SPECIFICATIONS\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eUpper\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e30.2 x 41 x 6.5mm | 36° Inside x 45° Outside | 28.6mm Crown\u003cbr\u003e30.2x41x6.5 36x45\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eLower\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e30.2 x 41 x 6.5mm | 36° Inside x 45° Outside | 30mm Crown\u003cbr\u003e30.2x41x6.5 36x45\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eHeadset Compatibility\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003eFSA Orbit IS-2 \/ IS41\u003cbr\u003e\u003cbr\u003eNot sure on if this suits? Here are some part codes of bearings from other manufacturers which match these bearing specifications...\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eUpper \u0026amp; Lower\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMR054, MR122, TH-873 \/ TH873S \/ TH873E, 27287-1046-004, HSS0130K \u0026amp; ACB3041 R2\u003c\/span\u003e\u003c\/p\u003e","brand":"First Components","offers":[{"title":"Default Title","offer_id":53912231313718,"sku":"3035","price":45.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/4177\/files\/3035.jpg?v=1776288676","url":"https:\/\/gearbrisbane.com\/products\/first-spurs-si-1-1-8-is41-headset","provider":"GEAR Shop Brisbane","version":"1.0","type":"link"}