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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.
UPC: 810006802689
EAN: Not available
Manufacturer Part Number: IS41U-8MM-KNOCK-BLK
HD0284
163423-Q0-L
- 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
Product Specifics
- Bearing Type: Cartridge
- Color: Black
- keyword search: Trek Knock Block
- Upper Stack Height: 8
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
Today's Stock Status
6 Available to ship in 2-4 Business Days
UPC: 810006802689
EAN: Not available
Manufacturer Part Number: IS41U-8MM-KNOCK-BLK
HD0284
163423-Q0-L
