DescriptionModel Number : 42T46T48TChain wheel cover can prevent the ride in the process of the trousers is not easy to be transferred into the tooth plate gear, anti-break anti-oil effect. Product size style is complete, mostly for mountain bike / bus / folding bike, materials are plastic.Friendly reminder: The purchase of chain wheel cover before, please accurately measure the adjacent hole hole center size, the number of good teeth teeth, according to their own control to buy, the measurement is not accurate to install OhPurchase standard: Measure the distance between the two holes in the center of the two holes, the number of good teeth teeth, the corresponding model to buy shield (cover on the number of teeth on the number of teeth).Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.