Park Tool, #799 47mm Reaming Cutter For IS47 Headset Lower Bearing For HTR-1 or HTR-1B

Description

* A 47mm reamer for cutting the lower head tube on frames using an IS47 bearing assembly for a 1-1/4'' integrated headset* 45-Degree bearing set geometry* Neutral rake grind for use in all common bike frame materials* Use in conjunction with the HTR-1 or HTR-1B Head Tube Reaming and Facing Set, #690-XL Facing Cutter and 750.2 Oversized Centering Cone