Soma’s track cogs are CNC-machined from hardened chromoly for durability and precision and have a snazzy chrome-plated finish.

Available in a wide range of sizes from 12t-23t.

FYI: All track cogs have 1.37″x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.

specifications

1/8″ width

standard 1.37″x24tpi threading

12-23t