The Schwinn Sierra GSD is a commuter/comfort bike with an aluminum Schwinn / N Litened frame. The frame comes in colors like slate, Dark Green / green and green / Light Green.
It was first released in 2007 and again in 2008. Due to the frame materials and other factors, we estimate that this bike weighs around 30 pounds. The Sierra GSD has fork suspension with 63mm travel.
Components
The Sierra GSD comes with various commuter bike components, including an aluminum adjustable stem, a VP Zero Stack headset and SRAM ESP shifters.
Drivetrain
The Sierra GSD has 8 speeds and has a SRAM derailleur.
Wheels
It comes with Smooth Rolling All Weather tires (26in x 1.9in) and Alex rims.