The 2012 Schwinn Sierra 21 is a comfort/hybrid bike with an aluminum Schwinn frame. The frame comes in colors like red, grape and Sterling Silver.
It was released in 2012 and costs $440 brand new. Due to the frame materials and other factors, we estimate that this bike weighs around 30 pounds. The Sierra 21 2012 is fully rigid.
Components
The Sierra 21 2012 comes with various comfort bike components, including an aluminum Schwinn Quill Adj stem, a Vp Threaded 1 headset and Shimano Tourney Revo shifters.
Drivetrain
The Sierra 21 2012 has a Shimano derailleur.
Wheels
It comes with Duro Sierra tires (26in x 1.75in).