{"product_id":"acb3645-3344-bicycle-headset-bearing-44-35-5-5-mm-36-45","title":"ACB3645 3344 Bicycle Headset Bearing (44 × 35 × 5.5 mm | 36° × 45°)","description":"\u003cp data-start=\"88\" data-end=\"405\" class=\"PDq2pG_selectionAnchorContainer\"\u003eUpgrade your bike's steering performance with the \u003cstrong data-start=\"138\" data-end=\"194\"\u003eACB3645 3344 Stainless Steel Bicycle Headset Bearing\u003c\/strong\u003e. Precision-manufactured from premium stainless steel, this sealed cartridge bearing provides smooth, reliable steering with excellent durability and corrosion resistance, making it ideal for all-weather riding.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"407\" data-end=\"713\"\u003eDesigned as a direct replacement for compatible integrated headset systems, the ACB3645 3344 bearing ensures a precise fit, helping to eliminate steering play and restore responsive handling. The sealed construction protects against water, dirt, and debris, extending bearing life and reducing maintenance.\u003c\/p\u003e\n\u003cp data-start=\"715\" data-end=\"828\"\u003eSuitable for road bikes, mountain bikes, gravel bikes, hybrid bikes, and e-bikes with compatible headset systems.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"830\" data-end=\"841\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"842\" data-end=\"1155\"\u003e\n\u003cli data-section-id=\"6m7eq5\" data-start=\"842\" data-end=\"880\"\u003ePremium stainless steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"14nsks2\" data-start=\"881\" data-end=\"923\"\u003ePrecision-engineered for an accurate fit\u003c\/li\u003e\n\u003cli data-section-id=\"1y764rp\" data-start=\"924\" data-end=\"988\"\u003eSealed cartridge design protects against water, dust, and dirt\u003c\/li\u003e\n\u003cli data-section-id=\"1w7xtt6\" data-start=\"989\" data-end=\"1019\"\u003eCorrosion and rust resistant\u003c\/li\u003e\n\u003cli data-section-id=\"11ut5u8\" data-start=\"1020\" data-end=\"1063\"\u003eSmooth, low-friction steering performance\u003c\/li\u003e\n\u003cli data-section-id=\"uc0err\" data-start=\"1064\" data-end=\"1090\"\u003eDurable and long-lasting\u003c\/li\u003e\n\u003cli data-section-id=\"10vv3y\" data-start=\"1091\" data-end=\"1155\"\u003eDirect replacement for compatible ACB3645 3344 headset systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1157\" data-end=\"1174\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1175\" data-end=\"1407\"\u003e\n\u003cli data-section-id=\"1fmxybd\" data-start=\"1175\" data-end=\"1200\"\u003e\n\u003cstrong data-start=\"1177\" data-end=\"1187\"\u003eModel:\u003c\/strong\u003e ACB3645 3344\u003c\/li\u003e\n\u003cli data-section-id=\"1w4wa62\" data-start=\"1201\" data-end=\"1232\"\u003e\n\u003cstrong data-start=\"1203\" data-end=\"1216\"\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1x3pss7\" data-start=\"1233\" data-end=\"1277\"\u003e\n\u003cstrong data-start=\"1235\" data-end=\"1244\"\u003eType:\u003c\/strong\u003e Sealed Cartridge Headset Bearing\u003c\/li\u003e\n\u003cli data-section-id=\"2gjtdy\" data-start=\"1278\" data-end=\"1310\"\u003e\n\u003cstrong data-start=\"1280\" data-end=\"1304\"\u003eOuter Diameter (OD):\u003c\/strong\u003e 44 mm\u003c\/li\u003e\n\u003cli data-section-id=\"wbbxk1\" data-start=\"1311\" data-end=\"1343\"\u003e\n\u003cstrong data-start=\"1313\" data-end=\"1337\"\u003eInner Diameter (ID):\u003c\/strong\u003e 35 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1ss8pis\" data-start=\"1344\" data-end=\"1376\"\u003e\n\u003cstrong data-start=\"1346\" data-end=\"1369\"\u003eHeight (Thickness):\u003c\/strong\u003e 5.5 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1hky1xc\" data-start=\"1377\" data-end=\"1407\"\u003e\n\u003cstrong data-start=\"1379\" data-end=\"1397\"\u003eContact Angle:\u003c\/strong\u003e 36° × 45°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"6hv2og\" data-start=\"1409\" data-end=\"1428\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cul data-start=\"1429\" data-end=\"1487\"\u003e\n\u003cli data-section-id=\"14iafcc\" data-start=\"1429\" data-end=\"1487\"\u003e1 × ACB3645 3344 Stainless Steel Bicycle Headset Bearing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HTB","offers":[{"title":"Default Title","offer_id":54317320241485,"sku":null,"price":6.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/8820\/0013\/files\/ChatGPTImageJul17_2026_11_37_40AM.png?v=1784284813","url":"https:\/\/hallthingsbikes.com\/products\/acb3645-3344-bicycle-headset-bearing-44-35-5-5-mm-36-45","provider":"HTB","version":"1.0","type":"link"}