The SWM SM motorcycle is a single-cylinder, four-stroke, dual-sport bike designed by the Italian company SWM Motorcycles. It is powered by a 600cc, 45 degree, liquid cooled, single overhead camshaft engine, and features a five-speed, constant mesh transmission. The SM is designed for both on and off-road use and has a long-travel suspension and adjustable pre-load for added stability and comfort.