White Industires new Eno Eccentric hub with spline mount fixed siderequires their proprietary cogs. This design eliminates cross threading and cog movement. Available in 1/8" and 3/32" Sizes 13t to 20t
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.