This Fixed Gear Cog is made for the 3/32" narrow chain. It will work with basically any chain, but will probably run quieter with 3/32" "road" chain. - Hardened Chromoly Steel - Coated to resist rust - Fits standard track hubs.
Left-hand threaded. To hold a track cog onto a track hub. Hardened threading and extra material make this highly durable to help you go the distance. ISO/English standard size 1.29" x 24 TPI fits most U.S., English, and Asian fixed gear hubs.
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