Ultra-quiet magnetic system operates at just 20dB – ride anytime without disturbing others. 4-way adjustable high-density memory foam seat fits riders 4'8" to 6'2". Dual-triangle steel frame with thickened tubes supports 300 lbs for rock-solid stability. 25LB balanced flywheel delivers smooth, continuous power. Bluetooth connects to exclusive app for real-time tracking and immersive workouts. Ideal for home cardio training. | Fed Fitness | | Exercise Bike, Magnetic Friction Stationary Bike with App Training Indoor Cycling Low Noise Spin Bike with 300LBS | ???????????????????????? | Best Buy