A bicycle (10) comprising a frame (25) supported on front and rear wheels (15, 20). A left wheel support (104) includes a left hole (116) and a left slot (118) extending through the left wheel support (104) to cooperatively form a left keyhole (114) throug...

The invention relates to a vehicle (1), comprising: - a frame, comprising at least a first (4) and a second wheel axle (16), these wheel axles running parallel to each other, with at least two first wheels (6,7) mounted rotatably around the first wheel axl...