The 2024 world’s fastest bikes include the Kawasaki Ninja H2R, Ducati Superleggera V4, and BMW S1000RR. The Ninja H2R is the fastest, reaching speeds up to 249 mph. For a street-legal option, the Ducati Superleggera V4 offers a 200 mph top speed, combining Italian craftsmanship with extreme performance. Meanwhile, the BMW S1000RR provides top-notch German engineering with a top speed of 188 mph. Whether for track or road, these are the ultimate speed machines of 2024.