Surly Track Cog 1/8'' X 18t Silver ModelNumber=D1430 Maximum grip: Reinforced side lugs

Maximum grip: Reinforced side lugs for improved grip in bends and solid center lugs for perfect brake transmission and grip off-road

Advanced SL fork

Precision ground

Soft and comfortable synthetic liner

AXS™ Pod features a “click and fire” two-button design that transforms the crucial act of rider inputs into a more personal experience for all your AXS™ controls

Surly Track Cog 1/8'' X 18t Silver ModelNumber=D1430 Maximum grip: Reinforced side lugsSurly 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 18 Size 1 8''