Precor RBK 615 Commercial Series Recumbent Exercise Cycle Easy step-through design; Air Flex seat with high-ventilation seat back; Dual-sided pedals, or customize with your own Six preset workouts: Manual, Interval, Basic Heart Rate Control, Weight Loss, Random, Hill Climb Built-in touch sensor for heart rate monitoring and Polar compatible 5 KHz wireless chest strap transmitter monitoring Measures 66"L x 23"W x 49"H; weighs 200 pounds Lifetime warranty on frame and welds, 10-years on parts and wear items