Service and replacement parts specifically for Trek Knock Block technology.
Styrrörets ytterdiameter: 28,6 mm (1 1/8")
Innerdiameter - Styrlagerbana: 39,8 mm
YD för lagerbana: Integrerat
Höjd - Styrrör: 8,7 mm
Lagertyp: Kapslat
 

1. Trek proprietary headset components compatible with Trek Knock Block models
2. 72-degree headset fits 2021 Slash 29
3. Includes crown race, bearings, top cover, frame chip & fastener
4. Frame chip has display tabs to connect Bosch Kiox Mount sold separately
5. Must be paired with Knock Block stem and Knock Block spacers
6. Knock Block headset spacers not included