ZTTO Chains Tensioner Stabilizer Rear Derailleur Single Speed Adjuster Accessory for Folding Bike

Feature: 1. Floating pulley and spring adjustment can achieve perfect chain tension. 2. Adopts bearing shaft and can be matched with a variety of guide wheels. The guide wheels generally use 11 teeth or 13 teeth. 3. Can effectively prevent the chain from falling and reduce the gear feel. Suitable for people who like cycling. 4. This bicycle chain tensioner is made of high quality aluminum alloy, durable, light and easy to install. 5. Full CNC precision machining, anode color treatment, exquisite workmanship, beautiful and fashionable. Specification: Conditon: 100percent Brand New Item Type: Bicycle Chain Tensioner Material: Aluminium Alloy Color: As Pictures ShownBrand: ZTTOFitment: Fit for most single speed folding bicycleFit for Dahon most single speed bicycle(412 oval chain wheel)Fit for Fnhon most single speed bicycle(412 oval chain wheel). Package List: 1 x Rear Chain GuideFloating pulley and spring adjustment can achieve perfect chain tension. Adopts bearing shaft and can be matched with a variety of guide wheels. The guide wheels generally use 11 teeth or 13 teeth. Can effectively prevent the chain from falling and reduce the gear feel. Suitable for people who like cycling. This bicycle chain tensioner is made of high quality aluminum alloy, durable, light and easy to install. Full CNC precision machining, anode color treatment, exquisite workmanship, beautiful and fashionable.