The X6200HRT features both contact and telemetric heart rate monitoring, which control the four Heart Rate Training(HRT) programs - HRT Cardio, HRT Weight Loss, HRT Interval and HRT Hill. Five preset programs, including the effective Sprint 8, and four custom programs make the X6200HRT the ultimate in programming options. The Bio-Radius™ pedal arms with articulating footplates and 19.75 inch stride length give the X6200HRT its superior motion, while the variable-durometer footpads give you a comfortable workout no matter how long you exercise.