Features: The bike brake level handle is make of aluminium alloy, high strength, light weight and wear-resistance, it is safe to use, can maintain long service life. Easy to install, adjust and use, any one can do it, working great for upgrading from cantilever brakes. Light weight and do not burden weight to your bike, with great stop capability, you can stop your bike in no time. Almost you need to do is to install these on your mountain bike which should have 2 mounting hole on each wheel. Brake pad have long timing performances of wear-resistant against wheel rotating. Specifications: Materials: Aluminum Alloy Color: As The Picture Shows Type: 1Pc/1 Pair (Optional) Size: approx.107mm/4.21in (More Size Detail, Please See Picture.) Package Includes: 2 Kind of Package(Optional) Package 1: 1Pc Bike V Brakes Package 2: 1 Pair Bike V Brakes note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!