Sit, walk and ride simultaneously with the StepTwin Bike – Bionic Folding Bike. Complete with two independent driving gears, this device uses Dual Bionic Independent Drive Technology. It combines a bike and stepper machine to provide the ultimate workout experience. Offering free pedal travel, StepTwin moves as efficiently as possible. It’s a revolution on two wheels. Unlike traditional jogging, the bicycle does not overload the joints of the body. StepTwin also comes with five independent speeds for each leg, allowing for manual or automatic speed change. Furthermore, StepTwin has an adjustable steering column and seat, making it suitable for any size. Likewise, you can adjust the handlebars to suit your riding style or activity or for any sport. Thanks to folding technology, you can simply fold this lightweight bike in a matter of seconds without using any tools. Finally, the unisex bike comes in four colors including red, black, blue and orange.