2021 Aprilia® Tuono 660 As powerful as thunder, as light as a cloud Two universes collide... The legendary Tuona V4 1100 meets the advanced technology of the RS 660 to create the TUONO 660, a motorbike destined to shake up the way you look at the world. Introducing the Tuono 660, the new generation of a versatile naked sportbike. Fun, easy and a h...