Surly Track Cog 1/8'' X 16t Silver CheckoutSpec= 3C Maxx Terra }SRAM X01 Eagle Chain -

}SRAM X01 Eagle Chain - 12-Speed 126 Links Silver

Tire lever

Helps prevent frame damage caused by dropped chains

}Park Tool 470XX Oversize Machine Hook Black

Surly Track Cog 1/8'' X 16t Silver CheckoutSpec= 3C Maxx Terra }SRAM X01 Eagle Chain -Surly Track Cog 1 8'' X 16t Silver. Surly 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 TECH SPECS Tooth Count 16