Here is another cool bike that gives you a fun workout as you ride to your destination. The Stepwing bike is a stepper bike that you can learn to ride in a few minutes. It offers an upright riding experience, so you can engage your core muscles and avoid pain in your lower back or butt area.
Stepwing bikes are available in multiple models with 12 or 20″ wheels. The Galaxy 1 has a foldable design and single speed. The Titan 1 and 3 have larger wheels and a steel frame to give you a solid ride.