Source google image: https://www.dhresource.com/0x0s/f2-albu-g2-M00-28-70-rBVaGlYUu3aAaHFqAAEpdkboh6I151.jpg/contr-leur-lectrique-de-bicyclette-w79e82x.jpg
Schema electrique f2
Source google image: https://www.dhresource.com/0x0s/f2-albu-g2-M00-28-70-rBVaGlYUu3aAaHFqAAEpdkboh6I151.jpg/contr-leur-lectrique-de-bicyclette-w79e82x.jpg