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Item # 789
/ Tools / Frame & Fork55.95mm Reamer
Reams head tube I.D. to 55.95mm to accept “internal” headset cups with 56.00–56.10mm O.D. (1-1/2 ZS standard). Used with #690-XXL Facing Cutter and #750 Centering Cone Adaptor. Designed for use with the HTR-1 or HTR-1B Headtube Reamer and Facer.
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789 Features
SHIS terminology: The 789 is used for upper and lower head tubes accepting the ZS56 or EC56 headsets.
Compatible Products
HTR-1
Head Tube Reaming and Facing Set
HTR-1B
Head Tube Reaming and Facing Set
HTR-HS
Head Tube Reaming and Facing Handle Set
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