Surly Track Cog 3/32'' X 17t Silver keyword search-FOX Model Year 26 These Hayes original replacement disc

These Hayes original replacement disc brake pads are used to maintain optimal performance with Hayes disc brakes

Formerly the Z410 model

the carbide tip must be securely embedded in the plastic housing

Nominal Chain Line 55cm

Pro Fit 3D strap included

Surly Track Cog 3/32'' X 17t Silver keyword search-FOX Model Year 26 These Hayes original replacement discSurly 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''