Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t. This Shimano chainring allows you to update your Dura-Ace FC-R9100 11-speed crankset with a chainring configuration to best fit your riding style.
Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting
Features a weight saving 4-bolt design with a BCD of 110 mm
| Color | Black |
| Ring Position/Type | Outer |
| Tooth Count | 55 |
| Drivetrain Speeds | 11 |
| Chainring BCD | 110 Shimano Asymmetric |
| Material | Aluminum |
| Defined Color | Black |
