The GT Tachyon 4.0 is a triathlon/road/comfort/hybrid bike with an aluminum Al frame. The frame comes in colors like white, silver and Satin Black.
It was first released in 2011 and again in 2012. Due to the frame materials and other factors, we estimate that this bike weighs around 25 pounds. The Tachyon 4.0 is fully rigid.
Components
The Tachyon 4.0 comes with Road Mix components, including an aluminum, forged GT stem, an integrated, sealed FSA headset and Shimano EF-51 shifters.
Drivetrain
The Tachyon 4.0 has 8 speeds and has a Shimano derailleur.
Wheels
It comes with Kenda Kwest tires (622mm x 32mm) and Jalco DRX3000 rims.