Vincent Black Prince was termed the motorcycle you either love or hate. "The Motor Cycle" road tested a Black Prince and concluded that it handled as well as the Vincent Black Shadow with improved fuel consumption. Production of the Black Prince began in early 1955. Lucas components replaced the less reliable Miller electrical system, and better ignition – upgraded to coil and distributor – together with Amal Monobloc carburettors improved starting. The rear enclosure, which incorporated the oil tank, was hinged to allow access to the rear wheel and final drive chain. The centre stand was operated by a lever accessible from the
Black Shadow (wrestler) to move to Monterrey which at the time was one of the main cities for wrestling in Mexico. In Monterrey he befriended another young wrestler trying to break into the business, Blue Demon. The two struck up a friendship and soon after began teaming together on a regular basis. After working under his real name for a while, Cruz decided that he needed a different image, and came up with the ring persona "Black Shadow" and a black mask with white trim around the eye, mouth and nose openings. The new image was a hit and masked duo of Blue