The 1998 K2 ProFlex 4000 is a mountain bike with an aluminum K2 Smart Shock frame. The frame comes in red or blue. It was released in 1998 and costs $2,100 brand new. Due to the frame materials and other factors, we estimate that this bike weighs around 35 pounds. The ProFlex 4000 has frame suspension with 4in travel.
Components
The ProFlex 4000 comes with Shimano Deore XT components, including an aluminum stem, an Aheadset headset and Shimano Deore XT RapidFire SL shifters.
Drivetrain
The ProFlex 4000 has 8 speeds and has a Shimano Deore derailleur.
Wheels
It comes with kevlar Panaracer Duster II tires (26in x 2.1in) and Sun Rims Sub 342 rims.