The 764 centers the HTR-1 Head Tube Reaming and Facing Set when the bottom bracket shell is being faced but not reamed. Used in conjunction with the Park Tool HTR-1 Head Tube Reaming and Facing Set and 690-XL Facing Cutter. Sized for bottom bracket shells that use the BB86/92, PF41, or PF24 standard.

• Sized for bottom brackets that use the BB86/92, PF41, or PF24 standard
• 40.98 mm outer diameter
• Requires use of the 750.2 Centering Cone Adapter
  

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