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

 

threaded and cassette freewheel

 

 

6 Speed thread freewheel

6 Speed 旋飞

 

 

7 Speed thread freewheel

7 speed freewheel

8 speed thread freewheel8速旋飞

9 speed thread freewheel

9速旋飞

7 Speed cassette freewheel

7速卡飞

8 Speed cassette freewheel

8速卡飞

9 Speed cassette freewheel

9速卡飞