Meet the Excy : a cycling trainer that lets you exercise anywhere. It has a compact design and turns any chair, couch, or bench into a recumbent exercise bike. You can use it to give your upper and lower body a good workout. The companion app comes with workouts to help you burn calories and improve your cardio.
Excy has a steel frame and metal pieces. It weighs 10 pounds and offers adjustable resistance. You can find out more about it on Kickstarter.