How fast is 72V 4000W in mph?
A 72v 4000w ebike can reach top speeds of up to 55 mph (90 km/h), offering impressive performance for off-road and closed circuit riding. With a powerful motor and enhanced torque, it’s ideal for thrill-seekers who want to experience high-speed action on private land. Kawasaki ninja h2r one of the top-ranked fastest motorbikes in the world is kawasaki ninja h2r due to its power-packed engine offering a maximum speed of 400 km/h.