The concept of transmission by friction with the tire comes directly from the Solex, another highly hackable vehicle that any young Frenchman born between 1930

The concept of transmission by friction with the tire comes directly from the Solex, another highly hackable vehicle that any young Frenchman born between 1930 and 1980 would be quite used to: http://en.wikipedia.org/wiki/Solex http://en.wikipedia.org/wiki/Solex