Genuine Replacement Parts
This frame chip replaces the normal Knock Block chip and allows for full 360-degree rotation of the steer tube on 72-degree radius frames.
Ensure handlebar controls will not contact the top tube before riding.
- Trek proprietary headset components compatible with Trek Knock Block 72-degree models
- Designed for Slash 29 2021
- Compatible with Top Fuel 29 2022
- Compatible with Rail 9.8 & 9.9 2022
- Frame chip has display tabs to connect Bosch Kiox Mount sold separately
- Not compatible with Rock Shox Flight Attendant front forks due to interference.