Week Eight Aluminum Alloy Chain Tensioner 2-6 Speed Derailleur

This bike chain single-disc guide can guide the chain and protect the chain,making it not easy to jump and drop.It is used for single-disc sprocket,using it can make the ride smoother,providing you a good riding experience.The installation is simple and fast,and you can use wrench to adjust it,no need to remove your cranks.It is suitable for Brompton Folding Bike to use,it designed with compact size and is lightweight,the surface is smooth and burr free.Speed Support: Support 2 speed,3 speed, 6 speed.colour:BlackMaterial:plasticsize:10 x 6cmPackage Contents:1 x Bicycle Chain TensionerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.