The 2003 Argon 18 Helium Chorus is a triathlon/road bike with an aluminum and carbon frame. The frame comes in yellow / black or graphite / black.
It was released in 2003. Due to the frame materials, we estimate that this bike weighs around 20 pounds. The Helium Chorus is fully rigid.
Components
The Helium Chorus comes with Campagnolo Chorus components, including a Forgie XL stem, an integrated Cane Creek headset and Campagnolo Chorus Ergo shifters.
Drivetrain
The Helium Chorus has 10 speeds and has a Campagnolo Chorus derailleur.
Wheels
It comes with Michelin Axial Pro Race tires (622mm x 23mm) and Mavic CXP 33 rims.