Wolf Tooth Performance Headset - IS41/28.6 Upper 7mm Stack Raw Silver. 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
Upper Stack Height 7S.H.I.S Upper IS41S.H.I.S. Stem Clamp Diameter 28.6Color Raw SilverBearing Type Black Oxide SteelWeight 52Defined Color List Silver