Precor has been building equipment to withstand the repetitive, rigorous workouts of health clubs, hotels and spas for years, so they earn their reputation on quality and durability. The Precor UBK 815 Commercial Series Upright Exercise Bike is the exact same bike found in commercial fitness centers worldwide. The Precor UBK 815 Upright Bike features 6 programs, 25 resistance levels and is designed to adhere to K.O.P.S. biomechanics (Knee Over Pedal Spindle) for comfort and proper form when cycling. A touch sensor built into the handlebars instantly displays your heart rate and helps you stay in your fat burn, cardio or peak target zone for a more efficient cardio and weight-loss workout. Also compatible with popular telemetry heart rate transmitters (sold separately).