With help of the chain guard cover, it can protect your bicycle chain from dust, water, stone, scratches and friction effectively, prolonging the service life of the bike chain. Our chain guard cover is easy to install, no any complicated process needed. The chain guard cover is extremely lightweight, which makes it easy to carry, it will not affect your riding. It is constructed of plastic material. The length of this product is 53cm. This product is perfectly suitable for bike, MTB, bicycle, road bike, and so on. Item Name: Bike Chain Guard Material: Plastic Features: Universal, Easy to Install, Long-Lasting Suitable for : 40 Teeth-46 Teeth Sprocket Size Details: Length: 53cm/20.87 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Chain Guard 1 x Bracket 2 x Screws