Description
Features:Material: Made of aluminum alloy material, light weight does not put an extra burden on the bicycl-e.Spring Design: This chain adjuster can change multi-speed bikes into single speed bike.For 11T/13T Derailleur: Ensures perfec-t tension for your chain to make you pedal with less efforts.Universal: It can fit various sizes of gear, and preve-nt chain from skidding out from the crank.Usage: MTB, road racing, fixie bikes, single speed bikes, bmx s, bikes.Specifications:Material: aluminum alloyColor: blackSize:about (upper width x bottom width x total height)58.5x28x110mm/2.30x1.10x4.33inchPackage included:1pc x bike chain tensionerNote:1. Due to the light and screen difference, the item s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.