Headset Trek Knock Block 58-Degree Assembly W/Display Chip
Genuine replacement parts
Service and replacement parts specifically for Trek Knock Block technology.
Get your bike back on the trail with the headset parts you need.
Key Features
- 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
Specifications
| Part Number |
5252156 |
| Color |
Black |
| Size |
28.6mm (1-1/8") |
| Model Year |
2026 |
| Material Components |
Aluminum |