The Sunny Health & Fitness ASUNA 4200 Upright Bike offers you a comfortable, low-impact way to see dramatic workout results. This upright bike has a durable steel frame and features built-in wheels for easy transportation. Adjustable pedal straps prevent your feet from slipping off while a built-in water bottle holder lets you keep hydration at hand. The bike also features an LCD display that tracks your workout stats and can also monitor your heart rate and BMI. An electronic tension adjuster lets you easily change the intensity of your workout.