• Easy to install simply replace the OE bleeder screw with the Pro Bleeder • Set includes two Pro Bleeder valves with adapters, O-rings & instructions (installed height of 7/8 in. or 22mm) • Fits most Kayaba and Showa upside-down forks with OE bleeder screws (M5 x 0.8) • Will reduce harshness caused by air build-up • Allows bleeding of air pressure without tools • One of the easiest bolt-on upgrades you can make to your forks • Will fit on most late model Japanese off-road motorcycles