Source google image: https://cycles.peugeot.com/sites/cycles.peugeot.fr/files/inline-images/Image_explications_v%C3%A9lo_%C3%A9lectrique.JPG
Velo electrique schema
Source google image: https://cycles.peugeot.com/sites/cycles.peugeot.fr/files/inline-images/Image_explications_v%C3%A9lo_%C3%A9lectrique.JPG