Shimano Dura Ace FC-9000 chainring
Shimano Dura-Ace 9000 11 speed chainring
- Chainrings hollow-forged and machined with integrated (blind) threads for optimized strength-to-weight .
- BCD: 110 mm
- Real weight: 107 g (53T), 92 g (52T), 103 g (50T), 36 g (39T), 32 g (36T), 27 g (34T)