Performance IS Upper Headset S.H.I.S. Stem Clamp Diameter:28.6 Threadless

Performance IS Upper Headset S.H.I.S. Stem Clamp Diameter:28.6 ThreadlessWolf 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

thanks in part to its Hand Made Ultra-Light Carbon (HULC) construction

an air intake system for ventilation

Includes alloy lockring

Imprecise spacers can cause your headset to loosen

The Fatbar is the ultimate aluminum downhill race handlebar

Designed for bicycle work

it is tubeless native

7 lighting modes including SteadyPulse

that allows for tool-free adjustment and prevents contact between bikes

reducing forces and impacts to the rider's hands and arms

Compatible with Garmin and Wahoo

PU4209 hose is not thread-able on CO2 cartridges