Wolf Tooth Premium Headset - ZS56/40 Lower Raw Silver. Wolf 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

Custom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions

Lifetime warranty