Fitleader FX2 Indoor Teenager Exercise Bike Folding Cycling Stationary Cardio Upright Bike Gym Stable Frame Design Adjustable: resistance adjust, Seat full motion adjust included allowing for upright use generally Fit great for 4'6" to 5'1" people use Built-in digital display tracks your speed, time, distance, and calories burned Durable: Built with high quality gear box components for reliable operation, Mobility transportation wheel for easy move and folding design for compact storage