Chain Reaction Cycles
Bike Shop Liquidators
The 754.2 is a reamer for the HTR. It is sized to 33.9mm. The allows a 0.1mm interference fit when pressing the 34.0mm headset of the 1/8" standard.
NOTE: For sharpening services of cutting tool see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.