Besides the 4-wheeled scooter, Quadro also makes two other 3-wheelers. There's the Quadro S with the same 346cc engine and 27 horsepower (19.8 kW), or the slightly more basic Quadro 350D with a ...

35 photos. Photo: Florin Tibu. We've seen the Quadro4 in action before and saying that it looks impressive is an understatement. ... The Quadro four-wheelers have a new king, the Big Q ...