Item Type: Bike Brake Calipers Material: Aluminum Alloy, Rubber Product Size: 67x57x47mm / 2.6x2.2x1.9in Package List 1 x Bike Brake Caliper 1Aluminum Alloy: The main body is made of aluminum alloy material, strong adn sturdy, durable and not easy to damage, can adapt to a variety of outdoor situations. 2Better Braking Effect: The caliper is made of premium rubber, with excellent braking effect and no tire damage. Provide a safer and smoother riding experience. 3Ideal Replacement Accessories: This universal bike C clamp brake caliper is easy to install, suitable for installation or replacement of various bikes, a wonderful replacement for the old or broken one, reliable for use. 4Widely Compatible: This road bike C clamp brake caliper is suitable for all types of bikes and is widely compatible. Give you a better riding experience. 5Applicable Scene: It is very suitable for outdoor riding, improving the braking performance of the bike, it is the best choice for cycling enthusiasts.