Park Tool 799 47mm Reamer BF PSI so you’re always in the

so you’re always in the right gear

90mm highly abrasion-resistant suede palm panel for high dexterity

Low sprocket max: 51T

Extra-wide straps for comfort with dual adjustable chest straps for super secure fit

Slip-on fit with hook and loop adjuster

Park Tool 799 47mm Reamer BF PSI so you’re always in theThe 799 is used in conjunction with the Park Tool HTR 1 Head Tube Reaming and Facing Set to ream head tubes that use the 1 1 4" internal cup headset standard. Specifications Sized for 1 1 4" internal cup headsets SHIS: sized for IS47 head tubes 47 mm outer diameter Requires use of the 750. 2 Centering Cone Adapter Mfr Claimed Weight TBC