NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver type_bags-panniers Classic $ +29

Classic $ +29

yet they boast the added feature of a TPU layer on the shoe side which prevents the risk of cleats sliding on carbon soles

S1 Rustbuster is a basic

on and off road

Self-contained hydraulic caliper incorporates master cylinder

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver type_bags-panniers Classic $ +29Surly 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: 15