Product Description Park Tool Reaming Cutters. Features: For use with the HTR-1 head tube reaming/facing set Can be used in conjunction with #690 facing cutter for 2-in-1 operation Specs: Description:reaming cutter, #754 - 33.8mm (1-1/8") Park Tool 754.2 1-1/8" Head Tube Reamer (33.9mm) at Dan's Comp $142.99 Buy Now Check Price on Amazon Check Price on eBay