Viavito Onyx Folding Exercise BikeThe Viavito Onyx folding exercise bike is a convenient and practical piece of equipment that will help you get in shape and work your lower body. With a 1. 2kg (2. 6lbs) flywheel and 8 levels of manually controlled magnetic resistance, the bike ensures smooth motion and greater workout versatility, letting you stay in complete control of your ride. The Onyx is strong but light and easy to fold up and store after use, making it very space efficient and