{"product_id":"silver-bike-chain-tensioner-with-derailleur-hanger","title":"Silver Bike Chain Tensioner With Derailleur Hanger Chain Guide For Folding Bikes, Single Speed, 10mm Rear Axle, 4.5mm-5mm Installation Width, Aluminum Alloy Floating Pulley With Spring Design, Replacement Cycling Tool","description":"\u003cdiv\u003e\n\u003cp\u003e\nSturdy Silver Aluminum Chain Tensioner for Folding Bikes\n\u003cbr\u003e\n✔️ Aluminum tensioner with floating pulley, fits 10mm axle and 4.5-5mm\n\u003c\/p\u003e \u003cp\u003eThis is a lightweight aluminum chain tensioner with a floating pulley and spring design geared for single-speed folding bikes. It helps keep the chain taut and prevents derailments on compact folding frames.\u003c\/p\u003e \u003cp\u003e✅ Fitment: 10mm rear axle, 4.5-5mm installation width\u003cbr\u003e✅ Material: high-quality aluminum alloy for durability and light weight\u003cbr\u003e✅ Application: floating pulley and spring design to prevent chain slip\u003cbr\u003e✅ Includes: 1x bike tensioner\u003cbr\u003e✅ Suitable for folding bikes like DAHON BYA412\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a chain tensioner used for on a folding bike with a single-speed setup?\u003c\/p\u003e\n\u003cp\u003eHere's a handy, general explanation to help shoppers understand its role.\u003c\/p\u003e\n- It helps keep chain tension consistent on compact folding frames.\n- It reduces chain derailment by maintaining proper chainline with the chainring.\n- It supports converting multiple-speed rigs to single-speed by stabilizing chain tension.\n- It's a handy accessory for folding bikes with 10mm rear axles and 4.5-5mm installation width.\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48529222893803,"sku":"VXB09YVDK1DK","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/613eaCDNhML.jpg?v=1779605829","url":"https:\/\/vxb.com\/products\/silver-bike-chain-tensioner-with-derailleur-hanger","provider":"VXB Bearings","version":"1.0","type":"link"}