Source google image: http://2.bp.blogspot.com/-tOaI69VTydU/Ufp8ze0t4KI/AAAAAAAANdQ/x0k5HvJC4kk/s1600/VTT-Electrique+-Haibike.jpg
Assistance electrique vtt
Source google image: http://2.bp.blogspot.com/-tOaI69VTydU/Ufp8ze0t4KI/AAAAAAAANdQ/x0k5HvJC4kk/s1600/VTT-Electrique+-Haibike.jpg