Surly Track Cog 1/8'' X 18t Silver Force 8mm 46cm Black

8mm 46cm Black

RangeRange on a single battery charge depends on factors such as rider and cargo weight

allow for fine tuning the progressive compression

}Maxxis Crossmark II Tire - 29 x 2

Surly Track Cog 1/8'' X 18t Silver Force 8mm 46cm BlackSurly 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 1 8''