Wolf Tooth Premium Headset - ZS44/28.6 Upper 6mm Stack Black MFPN=1C0441GRY Length (mm) 31 Material Aluminum

Length (mm) 31 Material Aluminum Defined Color Black Valve Presta

These freewheels are designed to be used with left-hand threaded hubs for left-side drivetrains

Designed and built to offer a lifetime of service with fully rebuildable internals

Used with deep-section rims to allow the use of a spoke wrench

Wolf Tooth Premium Headset - ZS44/28.6 Upper 6mm Stack Black MFPN=1C0441GRY Length (mm) 31 Material AluminumWolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high pressure waterproof lubricant. A pair of dual lip seals ride in micro grooves to keep out water and debris. Stainless steel bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat