Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike.

Now available for Knock Block equipped frames without sacrificing the benefits of Knock Block technology!

• Upper headset assembly compatible with Trek Knock Block 58-degree headset system
• Not for use with standard headset system or 62-/ 72-degree Knock Block headset systems
• Includes color-matched Knock Block top cover and ultralight stem cap with integrated 5mm headset spacer
• Includes enduro sealed upper bearing, aluminum stem cap bolt, and star nut
• Does not include Knock Block frame chip
• O-ring seal prevents water intrusion around the steerer tube
• Custom molded upper lip seal provides additional protection for upper bearing
• 7075 aluminum, made in USA