NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 14t Silver variant-size-47 Material: Tubualr CroMoly

Material: Tubualr CroMoly

Tires: Teravail Washburn 700c x 38 mm

Wide-profile alloy cog carrier supports a single speed cog

Tread siping on shoulders to provide additional cornering traction

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 14t Silver variant-size-47 Material: Tubualr CroMolySurly 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: 14