External 1 1/2" (1.5", tapered) lower headset part for headtube inner diameter of 49 mm (49.57 mm). The cup and dust cap are made from aluminium, the bearings is made from stainless steel. A directly on the crown integrated custom molded dual lip seal protects the lower bearing in the toughest conditions.
Wolf Tooth Precision headsets are machined in the USA out of aircraft grade aluminium with superior sealing for protection against the elements. These EC headsets are for frames with external bearing cups. In other words, the bearing sits outside of the frame with these headsets.
Construction type (Ahead/Thread): Ahead
Included in delivery: 1 headset lower part incl. crown race
Material: cup, cone: aluminium | cartridge bearings: Enduro stainless steel