The reebok one gsb exercise bike provides an excellent low impact and efficient way to get fit with smooth cycling motion ensured by the more than ample 18kg 40lbs flywheel the 32 levels of electronic resistance help you find the best intensity for every workout and the indoor bike offers an extensive range of 19 exercise programmes including 12 pre set ones as well as heart rate control target time and calories manual and more to measure your heart rate there are pulse grip sensors or yo