Knock Block 72-Degree Headset Non-Block Frame Chip

Service and replacement parts specifically for Trek Knock Block technology.<br /> - Trek proprietary headset components compatible with Trek Knock Block 72-degree models<br /> - Designed for Slash 29 2021<br /> - Compatible with Top Fuel 29 2022<br /> - Compatible with Rail 9.8 & 9.9 2022<br /> - Frame chip has display tabs to connect Bosch Kiox Mount sold separately<br /> - Not compatible with Rock Shox Flight Attendant front forks due to interference.