Surly Track Cog 3/32'' X 16t Silver MFPN=HXCOCXKXX 28H front / 28H rear

28H front / 28H rear

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5mm Handlebar Diameter 22

Magura Caliper Cover Ring Kit

}SRAM X01 11 Speed Rear Derailleur Inner Cage/Pulley Kit

Surly Track Cog 3/32'' X 16t Silver MFPN=HXCOCXKXX 28H front / 28H rearSurly 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 16 Size 3 32''