The Giant Defy Alliance 1 is a triathlon/road bike with a Giant Alliance Composite/AL frame. The frame comes in blue / composite / smoke or 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 1 is fully rigid.
Components
The Defy Alliance 1 comes with Shimano components, including an aluminum Giant stem, a threadless tapered headset and Shimano shifters.
Drivetrain
The Defy Alliance 1 has 10,9 speeds and has a Shimano derailleur.
Wheels
It comes with Michelin Speedium 2 Kenda Kriterium tires (622mm x 25mm) and Mavic CXP 22 rims.