Joy Tech Formula Track Cog - 1/8"

This is a stock photo of the 18t cog. Please make sure to verify you select the correct size from the drop-down menu.

• Color: Silver
• You can run a 1/2" x1/8" chain on this cog
• Fits 24 x 1.37 English right hand threaded hubs
• Standard track cog: Formula, Shimano, Joytech etc
• Will not fit: Campagnolo, Phil Wood or Miche Hubs