PT-6637H

PF30BB for transform into BB24

Compatible with Shimano groups

L/R cup OD46mm

Pressfit for MTB/ROAD

Width:68 / 73mm

Bearings:Sealed cartridge bearings 37 * 8 (R444)

Material:CNC machined AL6061 cups

Finish:Anodized color available

Option PT-6637HCB Ceramic bearings