Surly Track Cog 3/32'' X 16t Silver MFPN=HXCOCXKXX 5mm Handlebar Diameter 22

5mm Handlebar Diameter 22

Nordic - Construction - heel: Carbon thermo dure

28H front / 28H rear

Model XD-15 Spindle Interface 30mm Shell BSA Shell ID 33

TRP worked closely with top athletes from various teams on the World Cup DH circuit gathering feedback and testing data to refine every detail

Surly Track Cog 3/32'' X 16t Silver MFPN=HXCOCXKXX 5mm Handlebar Diameter 22Surly 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''