This is Shimano's XTR M9100 Crankset. The light and stiff design features an easy way to exchange chainrings by direct mount and one key release.
- Single & double chainrings are both compatible thanks to direct mount
Length: 165mm, 170mm, 175mm
Speeds: 1x12 & 2x12
BCD: Direct Mount
BB Shell Width: 68mm/73mm