Surly track cogs are designed for fixed gear applications and are compatible with most English, Japanese, and some Italian hubs, including the Surly New Track Hubs. The thread base is 7.4mm wide for maximum thread engagement while maintaining enough room for a track lockring to be threaded on the outside.
Compatible with standard ISO-threaded (1.375" x 24tpi) hubs
Machined from SCM415 Chromoly steel
Heat-treated and chrome-plated
Sizes 18t and larger feature cutouts
For 1/8" chains (singlespeed/track, not for 3/32" geared bicycle chains)
Orders over a minimum threshold ship for free within Canada, with a flat rate for smaller orders. International orders are calculated, and US orders will have tariffs applied in the cart as a line item.
