The NCR M4 is an Italian-made, limited-edition cafe racer motorcycle built by NCR (Noale Racing Machines) in collaboration with Ducati. It is powered by a Ducati 1100 EVO air-cooled engine and features a variety of components and accessories, such as Brembo brakes and Marzocchi suspension, as well as a unique stainless steel frame. The bike is considered to be one of the most desirable cafe racers and is limited to only 250 units worldwide.