The performance of a superbike with the agility of a naked For lovers of naked supersports and those who always lust after "more power", Aprilia has created the Tuono V4 R ABS, a motorbike with the invincible heart of an RSV4 and a feline body designed to excel under the fiercest acceleration and braking in and to cling on through any type of bend and simply devour straight sections of road.