NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver Type_Baskets but is designed to play

but is designed to play nice with front shifters

absoluteBLACK single speed cogs feature a unique tooth shape

High grade polymer pulley wheels (12T upper

Can be used as a pad spreader

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 16t Silver Type_Baskets but is designed to playSurly 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: 16