This Apex sealed headset bearing replaces upper or lower bearing from Campagnolo (Campy 45/45) compatible integrated pro scooter headsets such as the District, FSA Orbit C, FSA Impact, Envy, Tilt, Drone, Phoenix and Dominator headsets. For pro scooter forks with outside diameter of 1 1/8 inch. Price is for ONE bearing.
Tools: No special tools required.
Instructions: Bearing will fit both top and bottom of head-tube.
30 days warranty against manufacturing defects.