Shimano Dura Ace FC-R9100 road bike large chainring

The Shimano Dura-Ace FC-R9100 large chainring is designed to be fitted to Shimano Dura-Ace FC-R9100 cranksets. Variants that incorporate this crankset, such as the R9150 and R9120 groupsets, are of course compatible. The Hollowglide hollow chainring gives the crankset greater stiffness whilst being lighter, and optimises the rider’s power transfer from the pedal to the drivetrain.

The shift from one chainring to another is also optimised so that the chain switches in a quarter-turn from the large to the small chainring and vice versa.

- Tooth count: 50 / 52 / 53 / 54 / 55
- Chainring type: External
- Centre distance: 110 mm
- Gears: 11
- Hollowglide technology
- Brand: Shimano

Warning: Shimano strictly recommends the following combinations: 50x34, 52x36, 53x39, 54x42 or 55x42; other combinations, such as 53x36 or 52x34, may cause the chain to skip or jam, or even result in damage to the crankset which is not covered by the manufacturer’s warranty.