Soma track cog - black
Soma's track cogs are CNC-machined from hardened chromoly for durability and precision and have a long-wearing black phosphate finish.
Available in a wide range of sizes from 12t-21t.
FYI: All track cogs have 1.37"x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.
• 1/2 x 1/8"
• standard 1.37"x24tpi threading