To ensure proper headset performance and longevity, special attention must be given to accurately machine the fork's crown race seat. The CRC-1 is a professional quality machining tool for milling both the outer edge and lower surfaces of the crown race seat. A unique adjusting system allows a tight fit of the tool on any fork, threaded or unthreaded, (even forks with externally butted steerer tubes), ensuring a smooth, accurate cut and proper alignment of the fork in the frame. The CRC-1 Crown Race Cutting Set includes high-speed steel cutters and adjustable collets to machine 26.5mm. and 27.1mm. crown race seats on 1" forks and 30.1mm. crown race seats on 1-1/8" forks.
Cutter sized for the 1-inch standard is part #845.
Cutter for 1-1/8 inch standard is #846.
The CRC-15 is used in conjunction with the CRC-1 Crown Race Cutting Tool to machine 39.8mm crown race seats (1.5” standard) on tapered forks with 1-1/8” steerer tubes. Includes precision-machined adaptor body and 39.8mm high-speed steel crown race cutter. The CRC-15 will work on forks with a maximum 1.5" taper of
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