Surly Track Cog 3/32'' X 17t Silver MFPN=BC-0001 Fast rolling thanks to the

Fast rolling thanks to the combination of the new Tubeless Ready design and Michelin GUM-X compound in comparison to the Michelin PRO4 Endurance

The updated design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW RS System is part

Rotor Size (mm) 140Pad Compatibility All Pad CompoundsRotor Type One PieceWeight 100Hub/Disc Compatibility 6-Bolt

Compact wrench features a disc rotor truing slot

Low profile densely spaced knob configuration

Surly Track Cog 3/32'' X 17t Silver MFPN=BC-0001 Fast rolling thanks to theSurly 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 17 Size 3 32''