【18lbs MAGNETIC Flywheel & Belt Drive System】 Mevem indoor cycling Bike Equipped with a 18lbs bidirectional Magnetic flywheel offers more momentum to give you a challenging exercise experience while cycling and enjoy an incredibly smooth,nearly silent and stabile ride.Virtually no maintenance with Belt drive mechanism.You'll feel the difference in your first workout. 【Resistance & Quick Stop】Adjust the intensity of your exercise bike with the convenient tension knob.Press down the emergency knob to stop spinning immediately.Anti-Slip pedals with adjustable toe cages and straps make your cycling much more safer.Heavy duty Commercial grade steel frame and crank.