Xterra fs58e elliptical trainer the xterra fs58e elliptical trainer makes achievements that may have once seemed far off become closer with every stride everything from large easy to read 75 bright blue backlit lcd to the intuitive handlebar controls and heart rate interactivity make this the smartest most effective way to exercise the combination of a 113kg flywheel and electronic incline will provide you with a smooth challenging workout to make the experience more comfortable