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Velo 1 roue electrique
Source google image: https://ae01.alicdn.com/kf/HTB1Hy1RIFXXXXXRXVXXq6xXFXXXI/Adultes-moteur-E-Scooter-deux-roues-moto-auto-%C3%A9quilibre-d-%C3%A9quilibrage-%C3%A9lectrique-v%C3%A9lo-%C3%A9lectrique-skate-%C3%A9lectrique.jpg