The 9.35HR is made if a welded, tubular, steel frame with powder-coat finish and provides a stable running surface to help prevent joint pain as well as years of trouble-free use. There's also added adaptability. Twelve customizable shock absorbency settings with Hydra Suspension accommodate multiple users. The long deck fits varying strides, and is perfected with three-horse power motor and quiet Phenalic running surface. Finally, Smooth Fitness added the ingenuity of patented motion-control technology for hands-free speed adjustment.