Biomechanically Efficient Design Activate upright bike follows our tradition of biomechanically efficient body positioning with just a simple seat adjustment through a combination of crank, handlebar & seat position geometry. Heart Rate Monitoring Lifepulse™ digital heart rate monitoring hand sensors areconveniently placed on the handlebars to provide accurate heart rate monitoring & 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 & virtually maintenance-free. Comfort Adjustments Easily adjustable ski-boot style pedal straps & 38 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, & the workout summary provides valuable feedback