HEAD Vision MII Spin Bike | Adjustable Resistance & LCD Monitor | Fitness Cycle for Home Gym Workout | Ideal for Tummy & Lower Body | Max User Weight 110kg STURDY FLYWHEEL: The 6.5Kg flywheel & the heavy-duty steel frame is designed to maintain momentum smoothly with stability for you to cycle on the spin bike for your cardio needs. The Heavy flywheels support speed, stability, and consistency across your workout and provide you with a smooth workout experience