CASSETTE SPROCKET, CS-R8000, ULTEGRA, 11-SPD, 11-12-13-14-15-17-19-21-24-27-30T, IND.PACK

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.