All-city's great value, standard track cog available in the most popular sizes.
- 16t and lower are solid, 17t and higher have cutouts
- Chromoly steel; CNC precision machined
- 1/8" width cogs; Threads are 1.37" x 24 tpi
Cogs: 12T to 22T
Size: 1/2" x 1/8" (Single Speed)