The Park Tool 788 43.95mm Reamer, click to enlarge

Item # 788

/ Tools / Frame & Fork

43.95mm Reamer

Reams head tube I.D. to 43.95mm to accept “internal” headset cups with 44.05 - 44.10mm O.D. (1-1/8 ZS standard). Used with #690-XL Facing Cutter and #750 Centering Cone.

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788 Features

SHIS terminology: the 788 is used for upper or lower headtubes that accept the ZS44 or EC44 headsets.


Compatible Products


Head Tube Reaming and Facing Set


Head Tube Reaming and Facing Set


Head Tube Reaming and Facing Handle Set



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