Surly Track Cog 3/32'' X 17t Silver MFPN=GR.018.30.622.V001.R Rear Axle Type 12mm Thru

Rear Axle Type 12mm Thru x 148mm Rear Hub Spacing (mm) 148

FOX Float Custom

Mounting hardware rotors and adaptors sold separately Brake Lever Actuation Short Pull Brake Caliper Type Post Mount Rotor Included No Defined Color Gray Mounting Type Post-Mount

Articulated knees for a great fit and freedom of movement

8x30) - Vivid C1 (2024+)

Surly Track Cog 3/32'' X 17t Silver MFPN=GR.018.30.622.V001.R Rear Axle Type 12mm ThruSurly 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 3 32''