Park Tool 788 Reamer: 43.95mm

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Accessories and replacements parts for Park Tool head and steerer tube cutting tools. Key Features 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) Use the 788 with the 690-XL Facing Cutter and 750 Centering Cone For upper or lower headtubes that accept the ZS44 or EC44 headsets Show more