Surly Track Cog 1/8'' X 17t Silver MFPN=T47OUT-PRX Model Prime Pro Description Master

Model Prime Pro Description Master Cylinder Body/Blade Color Black Left/Right Left Package Each

Unparalleled stopping power and responsiveness

The 1cm rise in the base will allow the Hammerhead Karoo 2 to nest securely above the stem without interference

This mount will fit any of the quick release cleated handlebar lights to action camera brackets such as GoPro

Surly Track Cog 1/8'' X 17t Silver MFPN=T47OUT-PRX Model Prime Pro Description MasterSurly 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 17 Size 1 8''