The LifeSpan C3i Upright Cycle has a heavy duty frame and a durable drive system A quality drive system is only as good as its weakest component. It needs to be quiet, reliable and durable to support years of use. The C3i includes a long list of features designed to ensure a quiet and reliable ride including a commercial bottom bracket with oversized bearings and a cast pulley instead of plasti COMFORTABLE, ADJUSTABLE SEAT The cushioned seat has 19 height adjustment settings to ensure a perfect fit and comfortable ride. Adjustments range from 30 up to 41, measuring from the top of the seat to the fully extended pedal, supporting most users from 5'0 to 6'8 tall. QUIET, DURABLE DRIVE SYSTEM Superior hardware directly translates into higher caliber, longer lasting products. LifeSpans dedication to quality is on fully display with the C3is enhanced drive system. Built to last for years, a commercial bottom bracket with over sized bearings and strong, cast metal components make the C3i quiet, reliable, and durable. 21 BUILT IN PROGRAMS Guiding you to your ideal health and fitness, the C3i comes with 21 easy to navigate exercise programs. Designed by exercise physiologists to expedite your progress, these safe, effective regimes help you to master your cardiovascular fitness, boost your health, and burn fat. USB PLUS An included dual purpose USB port charges your mobile devices during your workout and saves your pedal revolutions, distance, calories, and duration data for manual upload to your LifeSpan Club account when youre finished. Display Area Multi color LCD with simultaneous readouts, exercise program name and profile, and personal data Console Readouts Program name, date and time, workout time, calories, RPM, distance, heart rate, speed, resistance level, watts Programs 2 heart rate programs, 2 customized user programs and 17 preset programs 5 weight management, 5 healthy living, 7 sports training Audio Center Built