The 690-XXL is a facing cutter designed to be used in conjunction with the HTR-1, HTR-1B, BFS-1, or BTS-1 to face head tubes and press fit bottom bracket shells.

Faces the following headset standards:

• 1.5" internal cup

SHIS terminology: The 690-XXL will face ZS56 and EC56 frames.

The 690-XXL will also face smaller bottom bracket and headset standards assuming there are no frame clearance issues.

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