Surly Track Cog 1/8'' X 18t Silver Model=ZipLock Combo Lock Model 1817 Cycling Gloves Color

Model 1817 Cycling Gloves Color Black Size XL Finger Short

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}SRAM 44 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Polar Gray

Forged aluminum mounts

5 Travel 180mm Steerer Tube Material Aluminum Spring Adjustments Air pressure Bottomless tokens Lower Tubes Material Magnesium Stanchions Diameter 38mm Maximum Rotor Size 220mm Crown Material Aluminum Damping Charger 3

Surly Track Cog 1/8'' X 18t Silver Model=ZipLock Combo Lock Model 1817 Cycling Gloves ColorSurly 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''