NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver frontder_clamp-31-8mm Aluminum brake and shift levers

Aluminum brake and shift levers

Two hand pockets plus cargo pocket for carrying essentials

OTTOLOCK is designed for quick stops and protecting against opportunity theft

Compatible with Sora ST-R3030/3503 STI levers

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver frontder_clamp-31-8mm Aluminum brake and shift leversSurly 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