Welcome to ZTTO Official Store! We specialize in selling bicycle accessories, if you need it, you can follow us! Item Name: Bicycle Chain Guide Material: Nylon,Aluminum Alloy Size Details: 9.36cm x 4.85cm/3.69" x 1.91" (Approx.) Description: Using special processing, the chain guide has light weight and high strength. What the product can offer is that effectively prevent the chain drop and chain jump. Made of aluminum alloy and nylon material, the chain guide is wear-resistant and durable. The length of the product is 9.36cm, and the width is 4.85cm. It is suitable for mountain bikes, dead speed bikes, folding bikes, etc. It is suitable for Bafang motor. Notes: Due to the light and screen setting difference, the product's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Chain Guide