Wolf Tooth Performance Headset - IS41/28.6 Upper, 7mm Stack, Black

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 Bearing top cap outer diameter: 45.8mm Item Specifications Bearing Type Black Oxide Steel Bearing Type Cartridge Color Black S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Upper Stack Height 7 Wolf Tooth Performance IS Upper Headset Headset Upper UPC: 810006803358