Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Reversible 6 / ZS44/30 Short Cover

6 / ZS44/30 Short Cover Headset Black

Primary Color Black Bead Folding Tire Compound SpeedGrip Tire Technology TechWALL TPI 60TPI Tire Type Tubeless Ready Tire Width 45 Tire Width Range 39 - 50 Labeled Size 27

Primary Color Black Bead Wire Tire PSI 29-58 TPI 30TPI Tire Type Clincher Tire Weight 720g Tire Width 2

5 Advertised Weight 3

Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Reversible 6 / ZS44/30 Short CoverSurly 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 15 Size 1 8''