SHIMANO - 11-Speed - HG-EV - Road Cassette Sprocket A perfect companion to the SHIMANO 105 R7000 groupset, the R7000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG-EV and HG-X11 chains. With an average weight of 284g (11-28T), 304g (11-30T), 320g (11-32T), 269g (12-25T), the cassette scores well! The teeth are as follows: 11-12-13-14-15-17-19-21-23-25-28T | 11-12-13-14-15-17-19-21-24-27-30T | 11-12-13-14-16-18-20-22-25-28-32T | 12-13-14-15-16-17-18-19-21-23-25T