Fitness Reality S275 Exercise Bike/Indoor Training Cycle with 4 Way Adjustable Seat UP to 250 lbs weight capacity; easy Dial tension adjustment for a more progressive and challenging workout Chain driven to simulate road bike exercise. Allows user to stand up and pedal, simulating an uphill road experience LCD computer readouts of time, speed, distance, calories burned Double direction enabled pedaling; top down emergency brake 4 way seat adjustment. Recommended user height range is 5'1" to 6'2"