Park Tool Reamer Extension 769

For use with the HTR-1 Head Tube Reaming and Facing Set, the 769 extends the reaming depth of reamers used in 1", 1 1/8", and 1 1/4" headset standards by 27 mm from the head tube face. Designed for head tubes using headsets with deep insertion cups such as Chris King SteelSet headsets.

• SHIS: sized for EC34, EC30, or EC37 lower and upper head tubes
• Note: Always use cutting fluid such as Park Tool CF-2 when machining