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The choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weight while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide
| BB Inclusion | No |
| BCD | 110 |
| Chainline | 43.5mm |
| Crank Spindle Diameter | 24mm |
| Crankset Material | Carbon/Aluminum |
| Drivetrain Spacing | Road |
| Interface | Hollowtech II |
| Pedals Thread | 9/16” |
| Primary Color | Black |
| Speed | 11 |
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