Shimano Dura Ace CS-R9100 11S cassette


SKU: ICSR910011125

Shimano Dura Ace CS-R9100 11S cassette

Tuning your ride

Gears to match your riding style as well as your chosen terrain with Shimano’s new rider-tuned cassette sprockets. The new lightweight titanium 11-speed cassettes are available in various sprocket combinations, including the new 11-30T version. Fast, accurate and smooth shifting is guaranteed in all situations.


  • 11 speed.
  • Rider tuned gearing.
  • Wider gear combination: 11-28t/12-28t/11-30t (new gear combination).
  • Closer gear combination: 11-25t/12-25t.
  • Lightweight.
  • CFRP & Alloy spider arm, 5 Titanium sprockets.


11-25: 11-12-13-14-15-16-17-19-21-23-25 (real weight: 178 g).
11-28: 11-12-13-14-15-17-19-21-23-25-28 (real weight 203 g).
11-30: 11-12-13-14-15-17-19-21-24-27-30 (real weight 212 g).

12-25: 12-13-14-15-16-17-18-19-21-23-25 (real weight 194 g).
12-28: 12-13-14-15-16-17-19-21-23-25-28 (real weight 209 g).

The sprockets combination might be changed by the manufacturer without any notice.