Joy Tech Formula Track Cog - 1/8"

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This is a stock photo of the 18t cog. Please make sure to verify you select the correct size from the drop-down menu. The NEW 1/8" x 15-18t cogs are perfect for your fixed gear con version. 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 Show more