Wolf Tooth Precision Headsets for Trek Knock Block 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. These upper headsets are for Trek frames with molded-in internal bearing cups.
- Designed to work with Trek's Knock Block system
- The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager
- If spacers are needed, you will need to use special Knock Block compatible spacers with notch features
- This product is the upper headset only
- Lower headsets on bikes with Knock Block do not have any unique features. They are usually IS headsets which are available separately
Specifications:
- Bearing Type: Cartridge
- Color: Red
- keyword search: Trek Knock Block
- Upper Stack Height: 8
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
