Home > Tools > Headset > 43.95mm Reamer

Item # 788

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.

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

Buy online or find a local retailer (North America only). International Distributors.

The 788 includes the reamer and a spacer. The spacer allows reaming to 15mm. The spacer is placed below the reamer for shallow reaming. The spacer is placed above the reamer for the full 15mm reaming depth.