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.
Cutter sized for 1-inch standard is part #845. Cutter for 1-1/8 inch standard is #846.
NOTE: For sharpening services of cutting tools see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.