Description: *1. Material: rubber *2. Color: black, red, blue, orange, green (as shown) *3. Dimensions: 4*3.5*2.3cm *4. Weight: about 12.6g/ piece Features: *1. Made of high quality rubber, which is durable and impact resistent for long lasting use. *2. Providing good protection of various damages, and will not make any influence of your riding experience. *3. 5 colors are available, simple and practical. *4. It can be used for mountain bikes/highways/cross country bikes. Package Content: Chain Guard Ring *4 Note: *1. All pictures are professionally color-coded, but due to the difference of ambient light and display equipment settings, there may be some deviation between the pictures you see and the objects themselves, please understand. *2. The data is measured manually, and there may be some deviation, but it does not affect the use.