The Sunny Health Fitness Indoor Cycling Bike comes with a 30-pound flywheel and a heavy-duty steel frame for increased durability and sturdiness. This is evidenced by the fact that the maximum user weight is 220 pounds, which is well above average for indoor cycling bikes. Its chain drive mechanism results in quiet and smooth workouts. The adjustable resistance, handlebars, and seat make this Sunny Health Fitness bike comfortable during use. Wheels are attached for easier transportation. Read more...