DESC: High precision German craftsmanship of factory milled and robotically welded proprietary 'tunnel' design steel tubing frame, Top grade sealed ball bearings placed in all pivot and drive points to provide an ultra smooth, quiet operation and ensure long life of the machine Heavy 50 lbs drive system purposefully intended for delivering very smooth momentum of operation when exercising in either forward or reverse motion, 6" adjustable footplate varies the elliptical motion Comfortable biomechanical designed pattern of oval shaped motion, Push button controlled tension increases or decreases in 5Watt increments of electro-magnetic resistance from 25 to 400 Ergonomically formed tubing of the cross-training bars for proper back and arm posture during upper body exercise, Contact pulse rate sensors located on the center handlebar allow the user to monitor heart rate and receive a more effective workout Highly accurate calibrated computer ensures that the displayed information is true and pre