Surly Track Cog 3/32'' X 18t Silver Fits Brand-Commencal 35 Tubeless Folding Black 3C

35 Tubeless Folding Black 3C Maxx Speed EXO

}Hope Pick'n'Mix Headset Upper Assembly 2 S

}Maxxis Rekon Plus Tire - 27

}Surly Steamroller Fork 700c 1-1/8" Threadless Black

}Zipp Tangente Quick Release Skewer Set - 100mm/130mm Titanium Black With Black Logo

Surly Track Cog 3/32'' X 18t Silver Fits Brand-Commencal 35 Tubeless Folding Black 3CSurly Track Cog 3 32'' X 18t Silver. Surly 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 TECH SPECS Tooth Count 18