For a challenging, fat-burning cardio workout in a short amount of time try the S1 indoor cycling bike. Set a comfortable riding position by adjusting the non-slip handlebars and the padded seat that adjusts horizontally and vertically. Turn the easy to use resistance knob to simulate riding through valleys and climbing hills. Keep your feet stable with the toe cages on the pedals. Ride in the comfort of your home without worrying about weather, traffic or time of day. For users at any fitness level, the S1 indoor bike provides a great low-impact, high intensity workout that will build both strength and endurance.