Description
This bundle includes the following Park Tool items designed for head tube reaming and facing:
1. Park Tool HTR-1B Head Tube Reaming & Facing Set
– Combines reaming and facing of the head tube for a precise fit with most head cup sizes.
– Includes a 33.9mm reamer and four pilots measuring 29.8mm, 30.0mm, 33.8mm, and 36.8mm.
– Suitable for facing frames of EC29, EC30, EC34, and EC37, and reaming frames of EC34.
– Features a quick-release, quick-adjust design allowing the bottom portion to slide off easily without threading.
– SHIS standard is EC56.
– Compatible with 1-1/8 inch head tubes.
– Model: HTR-1B.
2. Park Tool 750.2 Centering Cone Adapter
– Accessories and replacement part for Park Tool head and steerer tube cutting tools.
– Adapts the centering cone on the HTR-1 for use with low profile, integrated, and One Point Five headsets.
– Model: 750.2.
3. Park Tool 788 Reamer (#788 – 43.95mm)
– Designed for use with the HTR-1 head tube reaming/facing set and can be combined with the #690-XL Facing Cutter for two-in-one operation.
– Reams the head tube I.D. to 43.95mm to accept internal headset cups with a 44.05 – 44.10mm O.D., compatible with the 1-1/8″ ZS standard.
– Suitable for upper or lower head tubes that accept ZS44 or EC44 headsets.
– Color: Silver.
– Model: 788.
– Compatible with 1-1/8″ ZS and 1.5″ EC headsets.
This set provides the tools needed for precise head tube preparation and adapts to various headset standards.
- Includes Park Tool HTR-1B Head Tube Reaming & Facing Set for precise reaming and facing of 1-1/8in head tubes
- HTR-1B set features a 33.9mm reamer and four pilots sized 29.8mm, 30.0mm, 33.8mm, and 36.8mm for varied frame sizes
- 750.2 Centering Cone Adapter adapts the centering cone for use on low profile, integrated, and One Point Five headsets
- Includes 788 Reamer to ream head tube I.D. to 43.95mm, compatible with 1-1/8″ ZS and 1.5″ EC headsets
- HTR-1B tool uses a quick-release, quick-adjust feature allowing easy bottom portion removal without threading





