Description
Description
The R9100 series enables optimum power transmission. This is achieved by its wider HOLLOWTECH II arm and a reinforced outer chainring on its unique asymmetrical spider design with four arms. In terms of stiffness and lightness, the R9100 cranks meet the highest standards.
Optimum power transmission
For high stiffness and lower weight
Redesigned toothing profile for wider spacing
| Range of use | Road |
| Gradation | 54x42 |
| Shaft mount | Hollowtech II |
| color | black |
| Gears | 2x11 |
| groupset | Dura-Ace |
| Chainline | 43.5 mm |
| Compatible chain | HG-EV 11-speed / HG-X11 |
| Abbreviation | FC-R9100 |
| Crank length | 177.5 mm |
| Part no. | IFCR9100FX42 |
| Model year | 2016 |
| Product type | Crankset |
| Q-factor | 146 mm |
| Bottom bracket | Without bottom bracket (BB-R9100 / SM-BB92-B) |
| Ø bolt circle | 110 mm |
