No bounds, no controls, just get on and run. No electricity required - Completely powered by the user. Reduces joint impact and improves running performance. Innovative curved treadmill design conforms better to your stride. Smooth and quiet belt drive system with zero maintenance requirements. SpeedFits new way of running helps you burn fat and calories faster and more efficiently than any other fitness concept to date with its innovative toe running approach. It is the same basic concept used in the training of a sprinter for a 100, 200, 400 meter dash. Landing on the ball of your feet pushes your body forward and uses more muscle groups at one time than the traditional heel strike first method used by many runners. EFFORTLESS RUNNING Walk, jog, stop, spring, instantly, with no intervention other than just shifting your body forward and back, not having to touch any buttons. No bounds, no controls, just RUN. CURVE Innovation patented curve design conforms better to your stride and en