The Ultegra 6800 11 speed cassette is the new offering from Shimano enabling you to use wider ratios. The lightweight HG-EV cassette has rigid alloy sprocket carrier for reduced weight and better shifting performance, even under demanding gear changes.
The Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear and the wide gear range meets the demands of all types of rider.
For use with HG-EV chains
Rigid alloy sprocket carrier
Improved teeth shaping providing accurate shifting and reduced wear