The Trek Chelsea 9 is a commuter/city bike with a steel Trek Custom Mixtie frame. The frame comes in White  Gold or Canary  Yellow.

It was first released in 2015 and again in 2016 for $789 brand new. The Chelsea 9 is fully rigid.

Components

The Chelsea 9 comes with Shimano components, including a Bontrager stem, a threadless headset and Shimano Acera shifters.

Drivetrain

The Chelsea 9 has 9 speeds and has SRAM rear cogs and a Shimano Acera derailleur.

Wheels

It comes with Bontrager AW1 Hard-Case Lite tires (622mm x 32mm) and aluminum, disc double-wall rims.