Here is another compact bike that gives you a light workout as you work or sit in a chair. The OneTwoFit Under Desk Bike has 8 levels of magnetic resistance. It has a LCD display to show your results. This exercise bike works your arms and legs. It has max weight capacity of 220lbs.
This mini bike measures 19.6″x 13.2″x13″. It weighs only 23.8lbs, so you can easily carry it around.