{"product_id":"bicycle-headset-caged-ball-bearing-4mm-20-balls-2-pack","title":"2-Pack Bike Headset Caged Ball Bearing 4mm 20 Balls | 32mm","description":"\n\u003ch2\u003e2-Pack Bicycle Headset Caged Ball Bearing – 4mm, 20 Balls\u003c\/h2\u003e\n\u003cp\u003eKeep your bike's steering smooth and precise with these durable \u003cstrong\u003ecaged ball bearings\u003c\/strong\u003e. Designed as a direct-fit replacement for standard bicycle headsets, this set of two metal bearings ensures consistent, low-friction performance whether you're commuting, cruising, or trail riding. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet of 2:\u003c\/strong\u003e Get two caged ball bearings in one pack — great value and always have a spare on hand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20 precision balls per retainer:\u003c\/strong\u003e Evenly distributed 4mm balls for smooth, balanced rotation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32mm inner diameter:\u003c\/strong\u003e Fits standard bicycle headset components, ideal for cruisers and general-purpose bikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable metal construction:\u003c\/strong\u003e High-quality steel build for long-lasting performance and resistance to wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e Each retainer weighs only ~20g, adding virtually no extra weight to your setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Drop-in replacement design makes maintenance quick and hassle-free — no specialist tools required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Caged Ball Bearing Retainer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall Size:\u003c\/strong\u003e 4mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Balls:\u003c\/strong\u003e 20 per retainer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 32mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Diameter:\u003c\/strong\u003e 40mm (4cm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal (steel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~20g per unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × Bicycle Headset Caged Ball Bearing (4mm, 20 Balls)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mesh-ball-carry-bag-portable-net-sack-soccer-sports\"\u003eMesh Ball Carry Bag – Portable Net Sack for Soccer \u0026amp; Sports\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/60cm-motorcycle-luggage-strap-elastic-helmet-bungee-net\"\u003e60cm Motorcycle Luggage Strap – Elastic Helmet Bungee Net\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/medlineplus.gov\/exerciseandphysicalfitness.html\" target=\"_blank\" rel=\"noopener\"\u003eMedlinePlus on exercise and physical fitness\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What bike types are these headset ball bearings compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These caged ball bearings are designed for bicycle headsets with a 32mm inner diameter, making them suitable for cruisers and many standard road or leisure bikes. Always verify your headset's inner diameter before purchasing to confirm compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: How many bearings are included in this pack?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes 2 caged ball bearing retainers, each containing 20 precision 4mm steel balls — giving you a complete replacement set plus a spare.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these difficult to install?\u003c\/h4\u003e\n\u003cp\u003eA: Not at all. These are designed as straightforward drop-in replacements for worn or damaged headset bearings. Basic bike maintenance knowledge is sufficient — no specialist tools are needed for installation.\u003c\/p\u003e\n\u003ch4\u003eQ: What material are these ball bearings made from?\u003c\/h4\u003e\n\u003cp\u003eA: The bearings are made from durable metal (steel), finished in silver. They are built to withstand the regular stresses of cycling and provide lasting, smooth performance.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What bike types are these headset ball bearings compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These caged ball bearings are designed for bicycle headsets with a 32mm inner diameter, making them suitable for cruisers and many standard road or leisure bikes. Always verify your headset's inner diameter before purchasing to confirm compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"How many bearings are included in this pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes 2 caged ball bearing retainers, each containing 20 precision 4mm steel balls — giving you a complete replacement set plus a spare.\"}}, {\"@type\": \"Question\", \"name\": \"Are these difficult to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Not at all. These are designed as straightforward drop-in replacements for worn or damaged headset bearings. Basic bike maintenance knowledge is sufficient — no specialist tools are needed for installation.\"}}, {\"@type\": \"Question\", \"name\": \"What material are these ball bearings made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The bearings are made from durable metal (steel), finished in silver. They are built to withstand the regular stresses of cycling and provide lasting, smooth performance.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2-Pack Bike Headset Caged Ball Bearing 4mm 20 Balls | 32mm\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/bicycle-headset-caged-ball-bearing-4mm-20-balls-2-pack\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Silver","offer_id":44167274496087,"sku":"14:29#Silver","price":10.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sf72077af2cab4c549f8352f9d5d12177K.webp?v=1786760486","url":"https:\/\/axlcustomersupport.com\/products\/bicycle-headset-caged-ball-bearing-4mm-20-balls-2-pack","provider":"Axl","version":"1.0","type":"link"}