Park Tool 799 47mm Reamer Cassons Use a brush if needed

Use a brush if needed to tackle stubborn residues like chain oil or dried sports nutrition

Lock carrier for easy transport on the bike

For riders seeking the full compliance package

S-M: EU 39-44 / US 6-9

2mm HAMMER TYPE Spring loaded plastic hammer

Park Tool 799 47mm Reamer Cassons Use a brush if neededThe 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