Shimano Dura-Ace CS-R9100 Cassette 11-speed
11-12-13-14-15-16-17-19-21-23-25T
11-12-13-14-15-17-19-21-23-25-28T
12-13-14-15-16-17-18-19-21-23-25T
12-13-14-15-16-17-19-21-23-25-28T
11-12-13-14-15-17-19-21-24-27-30T
Weight (g): 175 (11-25T) 193 (11-28T) 211 (11-30T) 189 (12-25T) 205 (12-28T)