Park Tool 789 - head tube reamer extension for HTR1

Product Reference: P-QK789
  • $180.19
  • 789 - head tube reamer extension for HTR1
  • Reaming tool for deeper headtubes
  • Facing extension
  • Hardened steel construction
  • Legendary Park Tool quality
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| In Stock

For use with the HTR-1 Head tube Reaming and Facing Set. The 789 reams the headtube to an internal diameter at 55.95 mm to accept internal headset cups with a 55.99-56.04 outer diameter (1-1/2 inch ZS standard).

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