Surly Track Cog 3/32'' X 18t Silver Defined Color-Black Additionally the bold shape of

Additionally the bold shape of the lever and helpful dual spoke hooks makes removal of even the tightest tires a simple task

Mfg Size 42 Defined Color Black Rear Axle QR x 135mm Wheel Size 650b Platform Straggler Frame Material Steel Frame Type Rigid Front Axle QR x 100mm Color Black TT (Effective) 42 TT (Effective) 420 Brake Type Disc Fork Material Steel Fork Type Rigid

Chainring spider is removable

Ritchey compression plug is included

2 PSI 60 TPI 120 Tire Bead Folding Tire Diameter 29" Tire Intended Use Mountain Tire Type Tubeless Ready Clincher Weight 653

Surly Track Cog 3/32'' X 18t Silver Defined Color-Black Additionally the bold shape ofSurly Track Cog 3 32'' X 18t 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 18