The reebok one gb50 exercise bike is a great option when looking for a functional indoor cycle on which to challenge yourself with a heavy 9kg 20lbs flywheel motion is smooth and fluid so you can push yourself using the 32 levels of electronic computer resistance or one of the 20 exercise programmes these include time distance calories heart rate control recovery level profile manual and many more there is a large clear lcd display on which to view your workout feedback such as spee