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1325 Ross St
Petaluma, CA, 94954



You will notice that our fixed cogs are unique when compared against traditional fixed gear cogs.  There is an industry-wide problem with all threaded fixed gear cogs - they have a tendency to strip threads. To avoid this problem we designed the fixed gear cogs with a spline interface. The spline interface mates to our single speed hubs on both track and ENO hubs -  a simple, positive solution.  The cogs are made out of 8620 case hardened steel and have an electroless nickel finish.  Available in sizes 13t - 20t in both 3/32" and 1/8" widths. The cog is designed to be used with a standard English 1.29 x 24 tpi threaded lock ring.