ElliptiGO elliptical bikes are the perfect way to revolutionize your fitness. Combining the best of running, cycling and the elliptical trainer, ElliptiGO elliptical bikes provide a comfortable, fun and effective way to exercise outdoors. The Arc 3 delivers an invigorating workout that builds your heart, lungs, core and legs in a way no traditional bike can, and without the pain associated with road bikes. With its aluminum frame and three gears in a smooth-shifting internal hub, the Arc 3 is also the easiest elliptical bike to maintain. For short- to medium-length rides on flat or gently rolling terrain, the Arc 3 rocks!