Here is a bike desk that lets you get more active at home while playing, watching TV, and doing other activities. The LifeSpan Unity has a space saving design and cordless operation. Its desk measures 31.5″ W x 24″ D, so you will have plenty of room for your computer, books, and everything in between.
The Unity bike desk supports bi-directional pedaling. The seat height is adjustable. Sets you back under $400 at this time.