Nautilus Oneâ„¢ equipment combines revolutionary weight stack technology and the most intuitive and user-friendly selection method ever created: a dial. Our unique 4-bar linkage and specialized cam design provides smooth resistance and proper muscle loading through the complete range of motion, while fewer guide rods, cams and pulleys extend the life of this product well past other machines. For a unique, safe and effective strength training experience, there is only ONE choice that will ensure your facility stands out from your competition.