NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver type_bags-panniers yet they boast the added

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

Stem Race Face Aeffect R 35mm interface

Self-contained hydraulic caliper incorporates master cylinder

24mm diameter clamp

- No bottle bosses

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver type_bags-panniers yet they boast the addedSurly 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