Trek Knock Block 72-Degree Headset Non-Block Frame Chip

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.

Product details

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.

Model	Frame Chip & Fastener
Steerer outer diameter	28.6mm (1-1/8")
Thickness	10mm

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Weights are based off pre-production products at time of publication. Weights may vary in final production.