690-XXL Facing Cutter Bike Tool

This is an excellent tool for Park Tool head and steerer tube cutting. It serves as both accessories and replacement parts. Key features include a nominal outside diameter of 65mm. It can face headtube faces up to the ZS56 or EC56. When facing head tubes with an I.D. of 55.95 - 55.90mm and an O.D. up to 65.0mm ('Internal' 1 - 1/2' ZS Standard), it should be used with Park Tool's 750 Centering Cone Adaptor and 789 Reamer or 790 Pilot.

How to use: First, make sure your head tube has an internal diameter between 55.95 - 55.90mm and an outside diameter up to 65.0mm. Then, attach the 690 - XXL facing cutter to Park Tool's 750 Centering Cone Adaptor and pair it with the 789 Reamer or 790 Pilot. Start the facing process on the head tube. Notes: Always wear safety goggles when using this tool. Check for any damage to the tool before each use. Maintenance: After use, clean the tool with a dry cloth. Store it in a dry place to prevent rusting.