{"product_id":"alienation-chain-retention-system-bmx-bike-bmx-bike-flatland-bmx-bike-old-school-bmx-bike-racing-parent-jbi-20735","title":"Premium Solid Alloy Chain Tensioners for BMX, Single-Speed \u0026 Fixie Bikes | Non-Adjustable, Heavy-Duty Offsets \u0026 Sizes for Reliable Chain Drive","description":"\u003cdiv id=\"seqbpdescription\"\u003e\u003cp\u003eDiscover the ultimate in chain tensioning performance with our premium selection of Solid, Non-Adjustable Chain Tensioners designed specifically for bicycle enthusiasts and professional cyclists alike. Crafted from high-quality 6061-T6 aluminum alloy, these durable and dependable tensioners deliver exceptional strength and longevity, ensuring your bike maintains optimal chain tension for smooth, reliable rides.   Engineered for compatibility, these tensioners are suitable for a variety of frame types, chain setups, and chainring configurations, making them a versatile choice for fixie, single-speed, and track bike applications. Sold in pairs, they accommodate both 3\/8-inch and 14mm axles with various offset sizes, including precise measurements ranging from 1.5mm to 8mm, allowing for customizable chain line adjustments without complex modifications.   Designed with a focus on performance, these tensioners feature a solid construction that resists impact and wear, providing consistent tension to prevent chain slack or derailment during aggressive riding, commuting, or track racing. Their streamlined, minimalist style complements modern bike aesthetics, while their non-adjustable design offers a reliable, maintenance-free solution for riders seeking simplicity and durability.  Whether you're upgrading your existing setup or building a custom ride, these premium chain tensioners ensure a secure fit, enhanced drivetrain efficiency, and a clean, professional look. Perfect for riders demanding dependable component performance, these tensioners are an essential component for achieving optimal chain management on any fixed gear or single-speed bicycle.\u003c\/p\u003e\u003c\/div\u003e","brand":"Alienation","offers":[{"title":"14mm x 7.5-8mm","offer_id":42406405832771,"sku":"CRSY0187","price":21.29,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 1.5-2mm","offer_id":42406405865539,"sku":"CRSY0174","price":18.63,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 2.5-3mm","offer_id":42406405898307,"sku":"CRSY0175","price":20.99,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 3.5-4mm","offer_id":42406405931075,"sku":"CRSY0176","price":17.13,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 4.5-5mm","offer_id":42406405963843,"sku":"CRSY0177","price":20.99,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 5.5-6mm","offer_id":42406405996611,"sku":"CRSY0178","price":27.04,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 6.5-7mm","offer_id":42406406029379,"sku":"CRSY0179","price":20.99,"currency_code":"USD","in_stock":true},{"title":"3\/8` x 7.5-8mm","offer_id":42406406062147,"sku":"CRSY0180","price":20.99,"currency_code":"USD","in_stock":true},{"title":"14mm x 1.5-2mm","offer_id":42406406094915,"sku":"CRSY0181","price":23.06,"currency_code":"USD","in_stock":true},{"title":"14mm x 2.5-3mm","offer_id":42406406127683,"sku":"CRSY0182","price":21.29,"currency_code":"USD","in_stock":true},{"title":"14mm x 3.5-4mm","offer_id":42406406160451,"sku":"CRSY0183","price":21.29,"currency_code":"USD","in_stock":true},{"title":"14mm x 4.5-5mm","offer_id":42406406193219,"sku":"CRSY0184","price":21.29,"currency_code":"USD","in_stock":true},{"title":"14mm x 5.5-6mm","offer_id":42406406225987,"sku":"CRSY0185","price":21.29,"currency_code":"USD","in_stock":true},{"title":"14mm x 6.5-7mm","offer_id":42406406258755,"sku":"CRSY0186","price":21.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/20_b17afc69-6b18-4368-84ad-81f0a7b548ea.png?v=1773454290","url":"https:\/\/365cycles.com\/products\/alienation-chain-retention-system-bmx-bike-bmx-bike-flatland-bmx-bike-old-school-bmx-bike-racing-parent-jbi-20735","provider":"365 Cycles","version":"1.0","type":"link"}