The Shimano Dura-Ace CS-R9100 11-28T 11sp Cassette offers Rider Tuned gearing and improved drivetrain precision through reliable and easy up or down-shifting.
. Series: DURA-ACE
. Sprocket Material: Sprocket 1 to 6 -Steel, Sprocket 7 to 11- Titanium
. Type: HG-EV
. Gradation: 11-12-13-14-15-17-19-21-23-25-28Z
. Gearing: 11-28T
. Carbon Spider Arms: 2
. Weight: 193g
. Compatible Chains: HG-EV 11-speed, HG-X11