This bike size large. Intended for individuals 5’10-6’4. New in box The Aventure.2 comes out of the box as a Class II ebike, with pedal assist and throttle going up to 20 MPH . It can be unlocked to a Class III ebike and can go up to 28 MPH on pedal assist. The Aventure.2 will also operate with the throttle unplugged and removed, should you want to ride in an area where throttles are prohibited. Aventon ebikes are built to the IPX4 water-resistant standard. IPX4 means that your bike is resistant to water splashes from any direction. This means it’s OK to ride your ebike in light rain. It won’t be harmed by spray from a wet road or raindrops. Your ebike is not intended to be exposed to prolonged rain or submerged or subjected to a pressurized spray. Don’t use a pressure washer or sprayer to clean your ebike.certified to UL 2849 standards