Fitness equipment(s),Fitness Bike,Exercise Bike Fitness equipment(s),Fitness Bike,Exercise Bike ,HOME FITNESS,FITNESS EQUIPMENT, ab exercise Features:One way bearing3pcs ... by controlling your heart rate.8)Exercise Bike Power supply - is the bike self-powered or does it need ... adequately shielded from prying fingers. A solidly constructed exercise bike should also be stable and not flex or wobble ...