Precor RBK 835 Commercial Series Recumbent Exercise Bike The air flex seat with high-ventilation seat back features a specially designed suspension system that allows the seat back to move with you for comfort you can feel. The seat has 11 adjustment levels and can be adjusted while you are on or off the bike. The RBK 835 features a step-through design with a very low step-over height (4 inches; 10 cm) so you can enter and exit easily. Touch and telemetry heart rate monitoring Wide, dual-sided pedals can be used without the pedal straps Dimensions: 67 by 23 by 50 inches (L x W x H); weighs 210 pounds