11 speed Dura Ace cassette Read more.
Gear combination: 11-25T, 11-28T, 11-30T (New gear combination), 12-25T, 12-28T
Closer gear combination: 11-25T/12-25T
CFRP & Alloy spider arm, 5 titanium sprockets
Wider gear combination: 11-28T/12-28T/11-30T (new gear combination)
Rider tuned gearing
Lightweight
| SERIES | Dura-Ace |
| GENERATION | Dura-Ace R9100 |
| NUMBER OF SPEEDS | 11 |
| CASSETTE OR FREEWHEEL | Cassette |
| FINISH | Anodized |
