Claim: The Vincent Black Knight is a British motorcycle manufactured by Vincent Motorcycles Stevenage in 1954 to 1955 preceeding Vincent Rapide.
Evidence: The Vincent Black Knight is a British motorcycle made between 1954 and 1955 by Vincent Motorcycles. Known as the 'Series D', the Black Knight was an upgraded Vincent Rapide which was fully enclosed to keep the rain and dirt from the rider.