Surly Track Cog 1/8'' X 16t Silver CheckoutSpec= 3C Maxx Terra Curved propulsion edges on the

Curved propulsion edges on the central studs guarantee high traction even on soft terrain

}Park Tool 470XX Oversize Machine Hook Black

Drivetrain Speeds 11 Weight 94 Max Ring (teeth) 55 Front Derailleur Style Traditional Front Derailleur Clamp Braze-on Double or Triple Double Front Der/Shifter Compatibility SRAM Yaw Derailleur Capacity 16 Front Derailleur Cable Pull Bottom Pull

Tire lever

Surly Track Cog 1/8'' X 16t Silver CheckoutSpec= 3C Maxx Terra Curved propulsion edges on theSurly 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