Workout at your convenience with the Sunny Health & Fitness Smart Ultra 8 level Manual Treadmill. Its curved surface encourages running on the balls of the feet, promoting proper form that mimics outdoor running and reduces the risk of injury. The manual design eliminates the need for electricity, reducing energy costs and enhancing versatility, and its spacious running area features a non-slip texture to ensure safe and unrestricted movement. The 8 levels of magnetic resistance are powered by 14 magnets, allowing for precise speed adjustments with an easy-to-use tension lever. Sunny Health & Fitness Smart Ultra 8 level Manual Treadmill - Treadmills at Academy Sports