Most cardio units such as Ellipticals, Treadmills, Steppers and Spin bikes fail to achieve a full head to toe work out. Why Limit Yourself? The VersaClimber offers a versatile step and arm height of 1 to 20 inches. Great for short steps of 4-6″, speed sprinting sprinting as fast as you can with no top end limitations, full body stretching, and users with short, medium, and long strides. With 20″ step you can perform a multitude or exercise routines.