To modify a bike to electric, you will need to first decide whether you want a front or rear hub motor or a mid-drive motor. You will need a motor, battery, controller, throttle, and other components such as brackets, wires, and connectors. Install the motor onto the bike and mount the battery. Connect the wires to the controller and the battery. Attach the throttle to the handlebar. Test the system and make sure everything is secure and functioning properly. With these steps, you can modify your bike to electric.

Making a high-speed electric bike involves upgrading the bike’s motor, battery, and controller to increase power and speed. This can be accomplished by purchasing high-performance components or by DIY modifications to the existing system. It is important to ensure that all changes meet safety standards and local regulations, and that the bike can handle the increased speed and power.

It depends on the state and local laws in your area. In most places, electric bikes are classified as bicycles and are allowed on sidewalks. However, some areas may have specific regulations about where electric bikes can be ridden, such as designated bike lanes or on the road with other vehicles. It’s important to check and follow the laws in your area to avoid any fines or accidents.