The Shimano Ultegra CS-6800 is an 11-speed cassette designed for use on road bikes with HG-EV technology. This ensures an optimum gear ratio matched to the rider and the shifting system, in line with Shimano's "rider-matched" philosophy. To save weight, the CS-6800 sprocket carrier is partly made of carbon.
Specifications:
Application:
For road bikes
Crankset:
11 speeds
Progressivity:
14-28
Star material:
Steel
"Freehub compatibility:
Shimano road
