All-City 15T x 1/8" Track Cog Black
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 tp
Specifications
Cassette Body Type: Threaded Track
Chain Compatibility: 1/2" x 1/8"
Tooth Count: 15