Cassette Shimano ULTEGRA CS-R8000 11-speed-11-30T

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. High-performance gear combinations provide superior rider choice For 11-speed drivetrains Weight: 269 g Combination: 11-30T (11-12-13-14-15-17-19-21-24-27-30T) Compatible chain: HG-X11/CN-LG 11-speed Spider arm: 1 Aluminum spider arm: 1 Carbon spider arm: 1 Steel gear: 11 TECHNOLOGIES HG-EV cassette sprocket is for rider-tuned gear combination and cadence management. We 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. HG-X11 Silky driving, accurate shifting HG-X11 directional chain realize more smoother shifts and greater overall performance. Right and left sides are optimized for front and rear shifting respectively.