Product Details
＋
- Light and race-hungry cranks to soar to the podium
- HollowTech II cold forged cranks are lightweight, stiff, strong
- XTR M9100 is built for lightweight cross-country racing
- Direct-mount rings allow you to make fast changes with a simple key
- Compatible with both one-by and two-by configurations
- 158mm Q-factor keeps things narrow, sleek, and efficient
- Built to ride with new Shimano 12-speed drivetrain
