NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 17t Silver height_5ft-08in and efficient

and efficient

this pedal is popular for cycling in boots and fat biking

Includes the SRAM X01 Eagle AXS rear derailleur with battery

lightly grease the bolt threads

Headtube Length 107 121 146 165 185 G

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 17t Silver height_5ft-08in and efficientSurly 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