Get your bike back on the trail with the headset parts you need.
Product details
- Trek proprietary headset components compatible with Trek Knock Block models
- 58-degree headset fits all 2017-2020 Knock Block equipped models
- Includes crown race, bearings, top cover, frame chip & fastener
- Frame chip has display tabs to connect Bosch Kiox Mount sold separately
- Must be paired with Knock Block stem and Knock Block spacers
- Knock Block headset spacers not included
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