Machined from heat-treated, chrome-plated chromoly, these seriously tough cogs will hold up to massive track sprints and crazy skid-stops.
Surly's Track Cogs are strong, shiny and they come in two widths and sizes from 13T to 22T so you can select the perfect gear.
- 415 hardened chromoly steel
- 1.375" x 24 tpi
- Photo for color and material reference only