Quickly turn your bike into an e-bike with the EZ Wheelie Wireless Electric Bike Conversion Wheel. Completely wirelessly, this all-in-one gadget fits any bike size from 20 to 29 inches. Thanks to its versatile design, EZ Wheelie is compatible with most bicycles, including kid’s bikes and mountain bikes. Additionally, the wheel takes just one minute to install. Simply download the app and start riding. You can also use an optional Bluetooth display to control the bike. Moreover, the wheel comes with multiple battery size options, offering a 20, 40 or 60-mile range. It also provides five levels of pedal assist, allowing you to ride up to 20 mph without doing all the work. Finally, you can easily change your bike back to a regular bike or use the wheel on another bike.