Step-Through Design Provides easy on and off. Heart Rate Monitoring Lifepulse digital heart rate monitoring hand sensors are conveniently placed on the handlebars to provide accurate heart rate monitoring and Polar® telemetry provides hands-free heart rate monitoring when used with an optional chest strap. Self-Powered Convenience Powered by human movement, these energy efficient bikes can be placed anywhere in a facility, with no electrical cords or outlets to consider (Models with optional 17" TV on stand require power) Reliable Belt Drive System Custom-designed system is quiet and virtually maintenance-free. Comfort Adjustments Easily adjustable ski-boot style pedal straps and 34 seat adjustment positions ensure that each person can find their most comfortable riding position Intuitive Console Clear, simple controls offer exercisers clear direction for quick start or pre-programmed workouts, and the workout summary provides valuable feedback Easy to Use The intuitive console design