Ultimate Sidecars: How to put the ‘Car’ in ‘Motorcycle‘ ? There are motorcycle Ultimate Sidecars, and then there are automotive news at motorcycle Ultimate Sidecars. Motorcycle sidecars have been given an entirely new definition by Francois Knorreck, and one that is quite literal. When most people think of sidecar motorcycles, visions of World War II-era BMWs likely spring to mind. The 1000cc Laverda motorcycle now has three exhausts, and its …