About Park Tool Headset Crown Race Cutting Tool (CRC-1)
To ensure proper headset performance and longevity, special attention must be given to accurately machine the forks crown race seat. The CRC-1 is a professional-quality tool for machining both the outer edge and lower surfaces of the crown race seat. Its unique adjusting system allows a tight fit of the tool onto any threaded or unthreaded fork even forks with externally butted steerer tubes ensuring a smooth, accurate cut and proper alignment of the fork. Includes two sets of high speed steel cutters and adjustable bushings to machine forks with both 1″ and 1 1/8″ steering columns.

Features
Handle assembly

Cutter to machine 26.5 mm and 27.1 mm crown race seats on forks with 1″ steering columns (part #845)

Cutter to machine 30.1 mm crown race seats on forks with 1 1/8″ steering columns (part #846)

Bushings for 1″ (part #843) and 1 1/8″ (part #844) forks

NOTE: Always use cutting fluid such as Park Tool CF-2 when machining.

About Park Tool
Park Tool are the world’s largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best bicycle tools in the world.