Shimano Dura Ace 11-Speed Cassette CS-R9100 11-30

CS-R9100 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. 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 Gear combination 11-25T, 11-28T, 11-30T New gear combination , 12-25T, 12-28T