Shimano Ultegra R8000 11 Speed Cassette
System engineered for use with the Shimano Ultegra R8000 groupset, the R8000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG-EV and HG-X11 chains.
HG-EV - HG-EV cassette sprocket is for rider-tuned gear combination & cadence management. Shimano provide optimal 11-speed drivetrain gear ratio; you can choice wider and closer gear combination available to match various riding disciplines. HG-EV cassette sprocket is obtained 11-speed gear without compromising the 10-speed durability and improved Hyperglide shifting.