6 speed: 14-16-18-20-24-28T
7 speed: 14-16-18-20-22-24-28T
8 speed thread freewheel: 13-15-18-21-24-28-32T
8 speed cassette freewheel: 11-13-15-18-21-24-28-32T
9 speed: 13-14-15-17-19-21-24-28-32T
6 Speed thread freewheel
7 Speed thread freewheel
8 speed thread freewheel
9 speed thread freewheel
7 Speed cassette freewheel
8 Speed cassette freewheel
9 Speed cassette freewheel