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.
These cogs fit standard threaded (1.375" x 24tpi) track hubs. Please contact us with any questions regarding compatibility.
Requires a lockring (sold separately).
|Silver / 15T / 1/8-inch||708752031999||FW2063||SUR25251920R|
|Silver / 21T / 3/32-inch||708752032255||FW2089||SUR26714283R|