Incorporating the benefit of rigidity with minimal weight of the HollowtechII combined bottom bracket and crankset system, the new FC-M970 manages to drop even more weight while increasing shifting performance and durability. Hyperdrive front drive system / Enhanced durability / More precise bearing adjustment / Lighter wight and more versatile.
- New composite chain ring design for improved durability
- Titanium/Carbon composite chairing
- Optimized lightweight design for reduced weight while maintaining rigidity
- Hyperdrive technology for best front shifting
- New easier installation for left crank with better bearing adjustment
- Includes BB
- Chainrings: 22/32/44T