Here is another compact bike you can use under your desk to get more active at work. The Marcy NS-9200 Under Desk Bike comes with a computer to display timer, reps, and calories. It weighs only 26lbs, so you can move it around easily. The rubberized feet make sure the bike stays put.
The Marcy NS-9200 Bike has max weight capacity of 250 pounds. The resistance can be adjusted using the manual knob.