The GT ZR-4000 is a triathlon/road bike with an aluminum frame. The frame comes in Solar Mint or British Green / white.
It was first released in 1999 and again in 2000. Due to the frame materials and other factors, we estimate that this bike weighs around 25 pounds. The ZR-4000 is fully rigid.
Components
The ZR-4000 comes with Shimano RSX Triple and Road Mix components, including an aluminum stem, a Tange-Seiki Passage headset and dual-control Shimano STI shifters.
Drivetrain
The ZR-4000 has 8,9 speeds and has a Shimano derailleur.
Wheels
It comes with Michelin Axial Sport Panaracer GT tires (622mm x 23mm) and Mavic CXP 11 rims.