SHIMANO Dura Ace FC-9000 Front Chainwheel Chainring 11 Speed

SHIMANO Dura Ace FC-9000 Front Chainwheel Chainring 2x11 Speed 110 BCD

Outer chainrings are hollow-forged and machined with integrated (blind) threads for optimized strength-to-weight
For best-shifting performance, match MA, MB, MC, and MD-type chainrings
Bolt Circle Diameter: 110 mm

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.