Weighing just 219 lbs, the Sachs MadAss 125 is a true German engineering marvel. It combines a bicycle with a motorcycle into one package. This two-wheeler packs a 125cc engine, a manual transmission, an in-frame fuel tank, twin H.I.D. headlights, 16-inch alloy rims, a hydraulic fork front suspension and dual disc brakes. Starts your engine now! $2,695.