Abstract: A stationary exercise bicycle comprises a frame having front and rear ground support elements, a front socket and a rear socket, and a seat socket; a pedal mechanism on said frame and a seat mounted on a seat socket at a level above the pedal mechanism, the seat being mounted for movement fore and aft relative to the seat socket, and upwardly and downwardly relative to the pedal mechanism.
Abstract: An exercise stationary bicycle a base, a frame having a seat stay, a seat tube and a fork pivotally mounted on the base, and two hydraulic cylinders mounted between two sides of the fork and the base, whereby the frame may be swayed from side from side in riding thus making it to exactly simulate riding bicycles.