Source google image: http://www.hollandbikes.com/media/Le%20Mag/Choisir%20son%20v%C3%A9lo%20%C3%A9lectrique/Comment%20choisir%20v%C3%A9lo%20%C3%A9lectrique(1).gif
Velo electrique choix
Source google image: http://www.hollandbikes.com/media/Le%20Mag/Choisir%20son%20v%C3%A9lo%20%C3%A9lectrique/Comment%20choisir%20v%C3%A9lo%20%C3%A9lectrique(1).gif