Shimano Ultegra CS-R8000 11 Speed Cassette 11-28TThe Shimano Ultegra CS-R8000 11 Speed Cassette brings the 11 speed option into the renowned Ultegra family. The HG-EV design has been improved from the 10 speed version for ultra smooth shifting. Only 1.85mm wider than the 10 speed for extreme efficiency. Shimano recommends the Shimano HG-EV 11 Speed/HG-X11 Chain for maximum longevity. Available in 11-25T, 11-28T, 11-30T, 11-32T, 12-25T, and 14-28T and weighs about 251g.689228623095
