NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver Type_Pedals Flange: Yes

Flange: Yes

Lever can be adjusted to suit any hand or riding style with tool-free reach adjust

DT AeroComp Hybrid straight pulls spokes

a blend of 3/2

Full Insertion Length — 215 mm

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 15t Silver Type_Pedals Flange: YesSurly 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