The Giant Defy Alliance is a triathlon/road bike with a Giant Alliance Composite/AL frame. The frame comes in colors like composite / white / red, blue / composite / smoke and blue / composite / white.
It was first released in 2009 and again in 2010. We estimate that this bike weighs around 20 pounds. The Defy Alliance is fully rigid.
Components
The Defy Alliance comes with Shimano components, including an aluminum, Race Face Ride Giant stem, a threadless tapered headset and Shimano shifters.
Drivetrain
The Defy Alliance has 10,9 speeds and has a Shimano derailleur.
Wheels
It comes with Michelin Kenda Kriterium tires (622mm x NaN) and Mavic rims.