The S2 is a high performance electric motorbike designed for the urban adventurer, built with an aircraft-grade aluminum alloy frame and a fully adjustable air spring suspension fork. The SUPER73 is a high performance electric motorbike that does not require a license, insurance, or registration. All bikes come with a battery that you can easily charge with any standard 110v outlet. On this model, the battery is removable with a key, making it easy to charge both at home and in-between rides.