Facing improves the alignment of bearings in the headset
The Park tool 758-S set will ream and face the head tubes of bike using the OnePointFive Interface Standard
The 758 cutter is sized at 1.9516 inch (49.57 mm) diameter
The cutter will bore a machined surface to a nominal one-inch depth (26 mm) and then face the top of the head tube surface
The 758-S is designed for use with the Park tool HTR-1 Head tube Facer and Reamer
The 750 Centring cone Adaptor must also be used
The 750 will fit and reduce in size the large head tubes of the OnePointFive standard
As with any product, specification is subject to change without prior notification. You are advised to confirm current availability and specification before buying.