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Item # 789

55.95mm 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. 

NOTE: For sharpening services of cutting tools see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.

SHIS terminology: The 789 is used for upper and lower head tubes accepting the ZS56 or EC56 headsets.

Where to BuyInternational Distributors

North American Dealers

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