Wolf Tooth Premium Headset for Trek Knock Block
Wolf Tooth Premium Headsets for Trek Knock Block are machined in the USA out of aircraft-grade 6061 aluminum with superior sealing for protection against the elements. Available in a variety of colors to match the style of your bike. These upper headsets are for Trek frames with molded-in internal bearing cups.
Note: These headsets are to be used only with Trek Knock Block system
Trek developed Knock Block as an integrated frame protection system to prevent self-inflicted scuffs, dents, or cracks from spinning handlebars. Knock Block consists of a special stem and stop chip on the frame. The stop chip limits the turning range of the custom keyed headset cover. The top of the headset cover has notches that lock into corresponding notches on the headset spacers which also correspond with notches in the stem for the strongest connection to the steer tube. These parts work together to prevent the crown of the fork and the handlebar controls from hitting the frame.
Compatibility
- Designed to work only with Trek 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
Recommendations
- Lower headsets on bikes with Knock Block do not have any unique features, as they are usually IS headsets that are available separately.
- Special Knock Block-compatible headset spacers with notch features are required if you plan to use spacers.
- Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes, you will need a compression plug (sold separately). (Never use a star nut on a carbon steerer tube).
Related Products
Tech Specs
Weight: 52g
Stack Height: 7mm
Material: 6061 aluminum
Stem Cap Bolt Torque Spec: 2-3 Nm with light grease on threads only
Made in the USA
Couldn't load pickup availability
Pickup available at 3100 West Park Drive
Usually ready in 24 hoursPairs well with
Wolf Tooth Premium Headset for Trek Knock Block
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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