Park Tool 790 55.9mm Pilot Giant-Imported Through the self-balancing design

Through the self-balancing design

Crank Compatibility - Dura Ace 9200

Key features include:

Motion-sensitive 85 db audio alarm for immediate deterrence

Extended zones around the temples and back of the head give extra protection in risk areas

Park Tool 790 55.9mm Pilot Giant-Imported Through the self-balancing designThe 790 centers the HTR 1 Head Tube Reaming and Facing Set when the head tube 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 head tubes that use the 1. 5" internal cup headset standard. Specifications Sized for 1. 5" internal cup headsets SHIS: sized for ZS56 and EC56 head tubes 55. 9 mm outer diameter Requires use of the 750. 2 Centering Cone Adapter Mfr