Here is another compact exercise bike that you can easily use under your desk to get a good workout and get more active at work. The Stand Up Desk Store Pedal Exerciser Under Desk Bike has an adjustable backrest and resistance. It also comes with an oversized seat to keep you comfortable.
This bike has casters to let you easily move it around. It measures 19.26″ W x 26″ D x 27.75″ to 36.25″ H and can handle users up to 254lbs.