The Experience™ Series 600 Line is a professional elliptical cross trainer used in corporate wellness studios, personal training studios, multi-family complexes, and physical therapy centers that strikes the optimal balance between durability, reliability, and innovation. The 600 Line of ellipticals feature a motorized incline adjustment between 10 and 35 degrees to keep you challenged in your workout every day for years to come. With our patented elliptical path that perfectly mimics your natural stride, you'll keep your heels down for a more comfortable, effective, and ergonomically correct motion. This also features moving handlebars to help you achieve a total body workout. The 600 Line of elliptical trainers includes the EFX 635, EFX 665, and EFX 685. The difference between the models are the consoles (P31, P62, or P82) and are available in either a black or silver frame. Whichever model you select, the Experience Series offers some of the best elliptical machines for the home that you can buy.