NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver brand_dtswiss Chainstay Length 17

Chainstay Length 17

With the Rapidaptor function the bits can be inserted directly and can be easily removed by pushing the sleeve forward - allowing single hand operation

Chromoly spindle and stamped steel wings

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Upcycled Bicycle Inner Tubes / Upcycled Nylon Fabric

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver brand_dtswiss Chainstay Length 17Surly 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: 19