Fouriers Fixed Gear Cog Threaded 17/18/19/20/21/22T Single 1/8"or 3/32" 5 Colors Fouriers Fixed Gear Cog Threaded 17/18/19/20/21/22T Single 1/8"or 3/32" 5 Colors

No Lock Ring Available Size : 17T/18T//19T/20T/21T/22T Available Color : Orange/Purple/Red/Green/Blue If your current Cog is 1/8" , you can chose 1/8" & 3/32" Cog both can be fit. If your...

No Lock Ring Available Size : 17T/18T//19T/20T/21T/22T Available Color : Orange/Purple/Red/Green/Blue If your current Cog is 1/8" , you can chose 1/8" & 3/32" Cog both can be fit. If your...