Surly Track Cog 3/32'' X 18t Silver Defined Color-Black When conditions get extreme the

When conditions get extreme the Shorty delivers maximum traction for maximum output

Additionally the bold shape of the lever and helpful dual spoke hooks makes removal of even the tightest tires a simple task

Chainring spider is removable

(mm) 17 Manufacturer Number C0 6803 VV Material Ceramic Thickness 5

Surly Track Cog 3/32'' X 18t Silver Defined Color-Black When conditions get extreme theSurly Track Cog 3 32'' X 18t Silver. Surly track cogs are threaded the same as a BMX freewheel (1. 375 x 24 tpi right hand threads). This means that they will fit on single speed rear hubs as well as BMX freewheel hubs but this application is not recommended. Track cogs are meant to work on track hubs only. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only TECH SPECS Tooth Count 18