Excellent condition 2 in 1 Orbitrac and Bike Machine (Elliptical & Recumbent Bike) for sale. Description: A complete fitness machine that combines the Orbitrac (elliptical machine) and a stationary bike with a comfortable seat. It works with high efficiency for fitness exercises, fat burning, and activating the upper and lower body, with the ability to exercise standing or sitting. From the U-Mark company, it runs on battery and electricity.