Shimano
XTR M970 Hollow Tech II 9sp Crankset + Bottom Bracket

• New composite carbon and titanium middle chainring for improved durability and new outer chainring for improved rigity.
• Optimized lightweight design for reduced weight while maintaining rigidity
• Easy to use splined Octalink bottom bracket spindle connection provides a rigid and secure interface between crank and spindle
• Hyperdrive technology for best front shifting
• New easier installation for left crank with better bearing adjustment
• Gearing options: 44-32-22T, 44-32-24T
• Weight - 747g inc bottom bracket cups