This pair ofpremium aluminum alloy bike brake levers is and cool Super light and don ' for t burden strength to your bike 1 pair of bike brake levers included.Installed on22mm diameter handlebar Suitable for many kinds of bicycles Installation: First, remove the handlebar grip, adjust the screw, make screw gaps and brake handle cracks be line; Second, handlebar, let the hammer for head of brake line into the corresponding line hole and then chucking; Third, close the lever, tighten the screws, install handlebar grip