The advanced Nautilus U514 Upright Exercise Bike is an ideal workout tool that helps you stay fit and healthy. It has 16 levels of Eddy current magnetic resistance that helps tone your muscles by applying optimum pressure and eliminates the drawbacks of a mechanical resistance system. The large padded seat is comfortable and can be adjusted both backward and forward to reduce strain on your back muscles while performing workouts. The exercise bike is equipped with a large blue back lit LCD computer screen that helps you monitor your workout statistic details like RPM, Watts, distance, pulse and speed. The magnetic resistance exercise bike has an integrated polar heart rate system with four programs that maximize the usage of telemetry, grip and the chest belt. There is a blower fan to keep the user cool while working out. The Nautilus U514 Upright Exercise Bike also has large deluxe pedals, built in magazine rack, a water bottle holder for comfort.