Shimano Dura-Ace CS-R9100 11sp Cassette

DURA-ACE – 11-Speed – HG-EV – Road Cassette Sprocket

Using a carbon fiber and alloy spider and five titanium sprockets, the DURA-ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet.

FEATURES
Rider tuned gearing
Lightweight
CFRP & Alloy spider arm, 5 titanium sprockets