ActionLine A84016 Pro Indoor Cycling Bike with 2 Unique Exchangeable Seats Belt drive mechanism for smooth and quiet workouts. Heavy duty with 3-pieces cranks. Racing Style Dipping Handlebars. Heavy duty steel frame with a 40 lbs balanced flywheel. horizontally and vertically adjustable seat. Two Up/Down and Fore/Aft Exchangeable seats design: - One Center cutout saddle offers anatomic relief and ventilation, eliminates pain and numbness for biking. - One Special wide, comfortable padded saddle, accommodating a wide variety of users Adjustable resistance Red Knob with a press down brake system, also include water bottle holder. Computer functions include Scan, Time, Speed, Distance, Calories, Pulse, ODO. Transportation wheels for easy portability, adjustable ground caps for uneven floor to provide better balance for user, assembled dimension: L:45 x W:20 x H:44 inches, user capacity weight 275 lbs.