Perfect headset performance requires accurate machining of the fork crown race & this is the tool to do it Cuts the outer edge & lower surface of the crown race seat A simple adjusting system allows the tool to be a tight fit on all forks threaded or unthreaded including those with externally butted steerer tubes
Includes: high speed steel cutters & adjustable collets sufficient to cut 26.5 mm or 27.1 mm crown race seats on 1 inch forks & 30.1 mm crown race seat on 1-1/8inch forks