Pedal exercise bike

The present invention relates to an exercise bike pedal, comprising a frame having front and rear wheels, wherein: said front side frame is provided with a central large drive sprocket, said large sprocket wheel drive shaft via the sprocket gear, middle of the front side frame is provided with a pair of vertical struts located on both sides of the large sprocket side and intersects the vertical centerline of the large sprocket, on both sides of each side of the guide rod through a guide sleeve and a pedal connected to said large sprocket and a crank shaft via a connecting rod articulated with the bottom side of the pedal, to form a slider-crank drive mechanism, the present invention is a simple structure, convenient operation, moderate exercise intensity, is easy to keep the balance, applicable to all types of consumers (including disabilities lame) entertaining exercise, have broad prospects for development.