Performance: dual flywheel designed for Controlled performance for quicker response with every step. 51L x 17. 75W inch large heavy duty deck, designed to stand up to low to high intensity workouts. Design: heavy duty frame made with high grade steel with a maximum weight capacity of 440 pounds. Handle bars are sweat and slip resistant coated for a secure grip. Convenience: large tablet holder conveniently located for easy access. Storing is easy with the foldable design and no power cords. Integrated transportation wheels make moving easy. Incline levels: Static incline position of 10 degrees is optimal for cardiovascular fitness. Hi- performance Trainer has 4 additional levels up to 14 degree incline to improve strength, and speed. Flywheel: sweat guard protection covers to keep fly wheels free of sweat and debris. Solid steel dual fly wheels for maximum Velocity and Minimal maintenance.