Sport touring motorcycles combine attributes of sport bikes and touring motorcycles. Supersport racing is another category of motorcycle road racing that employs modified production motorcycles. Scooters usually have smaller wheels than motorcycles. Gasoline engines are used in most other road vehicles including most cars, motorcycles, and mopeds. Southern California motorcycle culture developed around this idea of racing large V Twin motorcycles. Michelin manufactures tyres for space shuttles, aircraft, automobiles, heavy equipment, motorcycles, and bicycles. Pedelecs are legally classed as bicycles rather than low-powered motorcycles or mopeds. Many residents travel on motorcycles and mopeds. It soon began producing motorcycles and mopeds. There are different plastic cards for motorcycles and vehicles. AAA sells roadside assistance for a variety of motor vehicles, including motorcycles. All of his motorcycles and rally cars carry the number 199. It continues with scenes of fast driving in cars and on motorcycles. The port handles transportation of automobiles, motorcycles and general industrial cargo. Steering is crucial to the stability of bicycles and motorcycles.