Bleeder Set(2) Micro Org 11-0081Micro BleedersUltra compact, low profile design is only 11 mm high installed Stainless steel body is stronger and will not corrode Easy to install simply replace the OE bleeder screw with the Micro Bleeder Reduce harshness caused by air buildup Allows bleeding of pressure without tools One of the easiest bolt on upgrades you can make to your forks Kit includes two bleeder valves M4 x 0. 7; For all '99 later WP 43 WP 48 fork caps w o external preload