Wolf Tooth Performance Headset - ZS44/28.6 Upper, 6mm Stack, Blue

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity, durability and corrision resistance Ultralight stem cap with integrated spacer, plus an aluminum bolt and a star nut O-ring seal prevents water intrusion around the steerer tube Custom-molded upper lip seal provides additional protection for upper bearing Item Specifications Bearing Type Black Oxide Steel Bearing Type Cartridge Color Blue S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Upper Stack Height 6 Wolf Tooth Performance ZS Upper Headset Headset Upper UPC: 810006803464