How fast would a 72V 4000W ebike go?
So, how fast is a 4000w ebike? On private property or closed circuits, a properly tuned 4000w electric bike kit with battery can reach speeds of: 80–90 km/h (50–55 mph) depending on load and terrain. With pedal assist, even higher short-term bursts are possible. Generally, a good electric bike will have a motor with a power output between 250 and 750 watts. Bikes with motors in this range can reach speeds of up to 25 kilometers per hour and can easily tackle hills and other challenging terrain.A 500w e-bike is typically adequate for urban commuting, offering a balance of power, range, and affordability. On the other hand, a 750w e-bike excels in hilly terrains and off-road conditions, providing extra power and torque for demanding rides.