The 1998 Porter Thor 4 is a triathlon/road bike with an aluminum T6 frame. The frame has a custom finish. It was released in 1998 and costs $1,536 brand new. Due to the frame materials and other factors, we estimate that this bike weighs around 25 pounds. The Thor 4 is fully rigid.
Components
The Thor 4 comes with Shimano components, including a Profile stem, a Ritchey Logic headset and dual-control, Shimano STI shifters.
Drivetrain
The Thor 4 has 9 speeds and has a Shimano derailleur.
Wheels
It comes with Continental Grand Prix tires (622mm x 23mm) and Campagnolo rims.