2017 Trek FX frame size is 20

Bike photo
  • Serial: WTU135C4007M
  • Manufacturer: Trek
  • Name: TREK
  • Model: FX frame size is 20
  • Year: 2017
  • Primary colors: Black
  • Wheel diameter: 700 C

Distinguishing features

It is a black mens bike with TREK Written in large letters down the middle bar. I have put red nail polish at the very bottom of the frame so you can't see it unless you look carefully.