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Crankset Shimano Dura Ace FC-R9100 172.5mm Double
The choice of the world's best climbers, sprinters and time trialists, the R9100 DURA-ACE crankset reduces weight while maximizing power transfer. The new design, and iconic look, is tailored for race-specific disc brake systems, while still offering a wide range of gearing and crank arm length options.
Features
- Optimal power transfer
- Better balance for lighter weight (- 7 g) and efficiency
- Newly designed crank arm
- Maintains high stiffness and reduces weight
- HOLLOWGLIDE
- 4-arm crank set
- Adapted for race specific brake system
- Shorter rear hub length with O. L.D. of 135 mm
- Redesigned gear tooth profile to accommodate wider gear pitch
- Tailor-made shifting options
- Flagship design
| Color Shimano | Color series |
| Sales model code | FC-. R9100 |
| Shimano part code | Front plate |
| Bike discipline | Road |
| Use | On the bike |
| Crank arm length (mm) | 172. 5 mm |
| Screw symmetry shaft diameter | 110 mm |
| Crank technology | Hollowtech II |
| Crank arms | 4 |
| Compatible chain | HG-. EV 11-speed/HG-X11 |
| Chainring speed (chainring combination) | 52/36T |
| Rear gears | 11 |
| Chainwheels | Double |
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The components of the bicycles, as described on this page, are those specified by the manufacturer at the time of launch of a new product.
Please note that these components may be subject to change without notice by the manufacturer for other components of similar characteristics.
If you need to confirm the specifications of any component, we recommend you visit the manufacturer's official website or contact our customer service team.