The Giant Defy Alliance 0 is a triathlon/road bike with a Giant Alliance Composite/AL frame. The frame comes in composite / white / red or red / composite / aluminum.
It was first released in 2009 and again in 2010. We estimate that this bike weighs around 20 pounds. The Defy Alliance 0 is fully rigid.
Components
The Defy Alliance 0 comes with Shimano 105 components, including a Race Face Ride Giant Connect SL stem, a threadless tapered headset and Shimano shifters.
Drivetrain
The Defy Alliance 0 has 10 speeds and has a Shimano derailleur.
Wheels
It comes with Michelin tires (622mm x NaN) and Mavic Aksium rims.