Wolf Tooth Headset Upper Knock Block - 28.6mm, 8mm, Black

Enhance your cycling experience with the Wolf Tooth Headset Upper Knock Block. Crafted with precision in the USA, this headset combines functionality and style, ensuring your bike performs at its best while looking great.

• Designed specifically for Trek's Knock Block system for seamless integration.
• Features unique raised elements on the top cap that align with compatible Bontrager stems.
• Requires special Knock Block compatible spacers if additional height is needed.
• This listing is for the upper headset only, ensuring a focused upgrade.
• Lower headsets typically use IS standards and are sold separately.

How to use / Ideal for: This upper headset is ideal for cyclists looking to upgrade their Trek bike's performance and aesthetics. Simply install it on Trek frames with molded-in internal bearing cups for optimal functionality.