Surly Track Cog 3/32'' X 17t Silver Weight-825g with an exceptionally low stack

with an exceptionally low stack height

Positions Wahoo computer in front of your nose on steep terrain

Material: 100% Polyester (main)

148mm Q-factor

4371 G21 Blue -2…-8°C

Surly Track Cog 3/32'' X 17t Silver Weight-825g with an exceptionally low stackSurly 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 Tooth Count 17 Size 3 32''