StairMaster HIITmillX30 years after inventing the StepMill, known worldwide as one of the most challenging work-outs available, Stairmaster have launched the brilliant HiitMill X, self-powered treadmill. Unlike a standard treadmill, the HiitMill X is a self-powered speed and strength training tools designed to build explosive power when used in a High-Intensity Interval Training program. This high-Intensity machine delivers an effective resistance training platform that captures the benefits of speed and agility training, lateral training and sled training. Users can now push, drive and sprint with the resistance of a sled, safely and with a smaller footprint. The easy to use HiitMill allows users to drive up metabolic intensity and make for a more space efficient solution to alternative training methods. This machine features a multi-grip handrail to allow for a wide range of workout options. The resistance is controlled by an easy to adjust, magnetic breaking system for ultimate dura