Product specifications: Small for 14-15 inch wheels Medium for 16-17 inch wheels Product size: Small 19.5 x 5.5 x 4.3 cm (one piece) 0.13 kg/set Medium 24.5 x 6.7 x 4.3 cm (one piece) 0.17 kg/set Product material: resistant high temperature ABS, painted Product composition: two pieces (one piece on each side) Feature Suitable for: universal compatible, suitable for disc brake type Product features: high temperature resistant ABS (industrial plastic) material, no effect on brakes at all Suggested Application method: Apply high-temperature-resistant AB glue on the inside of the clamp cover or clamp surface, so that the clamp cover can be in close contact with the clamp, corresponding to the position of good u, and then high-temperature-resistant AB glue, a solidification time AB glue needs three four hours, please wait for the AB glue to solidify before starting the car, thank you! (we do not provide AB glue)