an easily - assembled bicycle for use by bed - ridden persons is provided . in an embodiment , the present invention is capable of being used in conjunction with both adjustable and non - adjustable beds or other person support . the present invention allows for hand or leg exercises or simultaneous hand and leg exercising . in an embodiment , the bicycle includes an anchoring base unit , a top - side unit , a foot - pedal unit and a hand - pedal unit . use of the present invention allows bed - ridden persons to exercise without depending on health - care workers and helps avoid the serious negative health consequences associated with lack of physical exercise .