Surly Track Cog 1/8'' X 15t Silver 100cm so get them before they’re

so get them before they’re gone

}SRAM Force AXS eTap Rear Derailleur - 12-Speed Medium Cage 36t Max (Battery Not Included) Iridescent Gray D2

Gender Men Primary Color Black Size M Color Black

6" Rim W 22-35mm Package Each Weight 190g Quantity Single

Surly Track Cog 1/8'' X 15t Silver 100cm so get them before they’reSurly 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 Size 1 8''