{"product_id":"single-speed-bicycle-freewheel-sprocket-1-2-x-1-8-12-18t-carbon-steel","title":"Single Speed Bicycle Freewheel Sprocket 1\/2\"x1\/8\" 12-18T","description":"\n\u003ch2\u003eSingle Speed Bicycle Freewheel Sprocket – 1\/2\" x 1\/8\" (12–18T)\u003c\/h2\u003e\n\u003cp\u003eUpgrade or replace your single-speed bike's drivetrain with this durable \u003cstrong\u003ecarbon steel freewheel sprocket\u003c\/strong\u003e. Designed for standard \u003cstrong\u003e1\/2\" x 1\/8\" chains\u003c\/strong\u003e, this precision-threaded cog is a go-to choice for fixed-gear commuters, track cyclists, BMX riders, and DIY bike builders who need a reliable, no-fuss single-speed component.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-duty carbon steel for long-lasting wear resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain Compatibility:\u003c\/strong\u003e 1\/2\" x 1\/8\" single-speed chain\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGear Teeth Options:\u003c\/strong\u003e Available in 12T–18T for versatile gearing setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Teeth Diameter:\u003c\/strong\u003e 69 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Inner Diameter:\u003c\/strong\u003e 34 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 15 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed:\u003c\/strong\u003e 1-speed freewheel design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Clean, safe materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Single Speed Bicycle Freewheel Sprocket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003ePerfect for single-speed and fixed-gear bike enthusiasts, urban commuters, BMX riders, and cycling hobbyists looking for an affordable yet dependable drivetrain upgrade or replacement part. The threaded design makes installation straightforward with standard bike tools.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/metal-q-ring-spring-clasps-gold-silver-plated-jewelry-connectors\"\u003e10pcs Metal Q Ring Spring Clasps – Gold \u0026amp; Silver Plated\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-flat-disc-spacer-beads-gold-silver-jewelry-making\"\u003eStainless Steel Flat Disc Spacer Beads – Gold \u0026amp; Silver, 20–50pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-cord-end-caps-with-loop-jewelry-making-6pcs\"\u003eStainless Steel Cord End Caps with Loop – 6pcs Jewelry Findings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/health.gov\/moveyourway\" target=\"_blank\" rel=\"noopener\"\u003eHHS Move Your Way physical activity guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What chain size is compatible with this single-speed bicycle freewheel sprocket?\u003c\/h4\u003e\n\u003cp\u003eA: This freewheel sprocket is specifically designed for \u003cstrong\u003e1\/2\" x 1\/8\" chains\u003c\/strong\u003e, which are standard on single-speed bicycles, fixed-gear bikes, and many BMX bikes. Always verify your chain pitch before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What tooth count options are available for this freewheel?\u003c\/h4\u003e\n\u003cp\u003eA: This freewheel is available in a range of tooth counts from \u003cstrong\u003e12T to 18T\u003c\/strong\u003e, allowing you to fine-tune your gear ratio for your preferred riding style — whether that's faster top-end speed or easier pedaling on inclines.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is this bicycle freewheel sprocket made from?\u003c\/h4\u003e\n\u003cp\u003eA: The sprocket is constructed from \u003cstrong\u003ecarbon steel\u003c\/strong\u003e, offering excellent durability and resistance to everyday wear, making it a reliable choice for regular commuting and recreational cycling.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this freewheel easy to install at home?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The freewheel features a standard threaded inner diameter of \u003cstrong\u003e34 mm\u003c\/strong\u003e, compatible with most single-speed bike rear hubs. A standard freewheel removal tool is recommended for installation and removal.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What chain size is compatible with this single-speed bicycle freewheel sprocket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This freewheel sprocket is specifically designed for 1\/2\\\" x 1\/8\\\" chains, which are standard on single-speed bicycles, fixed-gear bikes, and many BMX bikes. Always verify your chain pitch before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"What tooth count options are available for this freewheel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This freewheel is available in a range of tooth counts from 12T to 18T, allowing you to fine-tune your gear ratio for your preferred riding style — whether that's faster top-end speed or easier pedaling on inclines.\"}}, {\"@type\": \"Question\", \"name\": \"What material is this bicycle freewheel sprocket made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The sprocket is constructed from carbon steel, offering excellent durability and resistance to everyday wear, making it a reliable choice for regular commuting and recreational cycling.\"}}, {\"@type\": \"Question\", \"name\": \"Is this freewheel easy to install at home?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The freewheel features a standard threaded inner diameter of 34 mm, compatible with most single-speed bike rear hubs. A standard freewheel removal tool is recommended for installation and removal.\"}}]}\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:\/\/iv9cjv-gm.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/iv9cjv-gm.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Single Speed Bicycle Freewheel Sprocket 1\/2\\\"x1\/8\\\" 12-18T\", \"item\": \"https:\/\/iv9cjv-gm.myshopify.com\/products\/single-speed-bicycle-freewheel-sprocket-1-2-x-1-8-12-18t-carbon-steel\"}]}\u003c\/script\u003e","brand":"PLUSH","offers":[{"title":"16 teeth flywheel","offer_id":67213373538379,"sku":"14:29#16 teeth flywheel","price":23.76,"currency_code":"USD","in_stock":true},{"title":"18 teeth flywheel","offer_id":67213373571147,"sku":"14:366#18 teeth flywheel","price":24.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/1071\/0091\/files\/S502ec6cb7dee4bb581e85ace9d6b978fK.webp?v=1791594746","url":"https:\/\/plushsaver.com\/products\/single-speed-bicycle-freewheel-sprocket-1-2-x-1-8-12-18t-carbon-steel","provider":"PLUSH","version":"1.0","type":"link"}