Surly Track Cog 3/32'' X 18t Silver 16''x2.20 XL and XXL: 180mm BOTTOM

XL and XXL: 180mm BOTTOM BRACKET: RADIO RACELINE "BSA24"

Quick and easy access to hold virtually any wheel to perfectly position your work for a variety of tasks

Slightly thicker than our Razer Grips

Preserves their breathability while adding water and dirt repellency

9Defined Color Black

Surly Track Cog 3/32'' X 18t Silver 16''x2.20 XL and XXL: 180mm BOTTOMSurly 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 18 Size 3 32''