NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 18t Silver Type_Brakes Lever can be rotated into

Lever can be rotated into an ideal position after tightening

Chainrings:3x

Made from salvaged denim and upcycled bicycled tubes in the USA with livable wages

Intended Brake Type: Linear Pull

Halo II Pullover Headbands feature a pullover design with no elastic to wear out and a patented water-tight seal to direct sweat away from eyes

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 18t Silver Type_Brakes Lever can be rotated intoSurly 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