The free style 39e ensures smooth and quiet operation thanks to its 86kg 19lbs flywheel and has a stride length of 18 457cm this sturdy machine from xterra offers 16 levels of electronically controlled resistance to let you adjust intensity of each workout and features a blue backlight lcd led display that allows for keeping track of the crucial workout data it has a wide selection of 15 challenging programmes and enables you to measure heart rate with hand pulse sensors or a wirele