stamina exercise bike and strength system fitnessAll in one biking and strength building combines the cardiovascular benefits of biking with a wide potential of upper and lower strength training exercises. The strength system features two arms outfitted with a pair of dual pulley, elastic bungee cords on the front and back of the machine. Use the front strength system for seated exercises like chest press, curls, flies, squats and more. Unhook the clips and switch the handles to the back side of