How fast do electric bike go?

The speed of an electric bike can vary depending on a number of factors such as the power of the motor, battery life, and local regulations. Generally, most electric bikes have a top speed of around 20-28 mph. However, some models can reach speeds of up to 45 mph. It's important to always check the local rules and regulations regarding the use of electric bikes, as they may vary from city to city or country to country.