CYCLUS TOOLS headset crown race seat cutter 1"1/8 (30 mm), complete with cutter. Creates perfectly leveled headset crown race seats with this face milling tool. The cutter is compatible with 1"1/8 (30.0 mm) headset crown race seats. Cutting surface width: 6 mm. Maximum milling depth: 6 mm. The tool is designed for optimal adjustment of the lower headset crown race seat on the fork steerer tube. To avoid excessive stress, apply uniform pressure on the cutter via the threaded bushing and spring. The tool must always be rotated in the cutting direction (clockwise only). Use a cutting oil suitable for the material being machined.

Note: Before milling, remove any chrome layers present to prevent excessive wear of the cutting edges or "jamming" of the tool in the steerer tube.

• Max. cutting surface width: 6 mm