The finnlo speed bike crs is the racing bike among all exercise bikes and stands for dynamic and extremely effective cardio workout by exercising on the speedbike crs you improve your cardiovascular system increase your endurance and intensively burn your abdominal fat at the same time you strengthen your leg and gluteal muscles perfect for body toning symmetry of leg muscles during training you can measure your heart rate by a built in pulse receiver for chest straps chest strap is not