Due to health reasons, I am parting with my Klein Quantum Pro, model year 1999 in Silver Cloud. The frame size is 57 and fits riders from 180-185 cm. I am 180 cm tall and the frame fits perfectly.
The Quantum Pro was built from a frameset at the time using the finest components and has been lovingly maintained over the years. It is a beautiful vintage bike and has not been tinkered with. Some scratches have occurred with use, but nothing serious, and it has no damage.

The components:
Drivetrain/brakes: Shimano Ultegra 2x9
Wheels: White Industries hubs with Mavic SUP rims, hand-spoked
Stem/han...