The kettler skylon 3 ensures smooth and quiet operation thanks to the impressive 20kg 44lbs flywheel and has a motor adjustable magnetic brake system the machine offers 15 levels of computer controlled resistance to let you adjust intensity of each workout and is fitted with a back lit lcd training computer with the heartratelight which changes the console colour in accordance with your heart rate the console provides feedback on 9 workout functions while an integrated polar receiver with a