Bicycle has a frame whereby frame has front wheel area, rear wheel area and axle tube wherein at axle tube two joints are provided and frame is subdivided, through joints, into three jointly connected sections
摘要
<p>The bicycle has a frame (1). The frame has a front wheel area (2), a rear wheel area (3) and an axle tube (4). At the axle tube two joints (5) are provided. The frame through the joints is subdivided into jointly connected three sections. The joints can be moved in the opposite direction. One of the joint is used as hinge joint. The axis of the hinge joint is arranged outside of the axle tube.</p>
