New ultra-compact, low-profile design is only 11mm high installed. Stainless steel body is stronger and will not corrode. Easy to install - simply replace the OE bleeder screw with the Micro Bleeder. Reduces harshness caused by air buildup. Allows bleeding of pressure without tools. One of the easiest bolt-on upgrades you can make to your forks. Kits include two bleeder valves.