Diamondback Fitness 510Ic Adjustable Indoor Cycle with Electronic Display and Quiet Magnetic Flywheel Electronic Display provides computer controlled resistance in consistent increments Fore/aft seat and handlebar adjustments and a 300 pound weight capacity Quiet Heavy Duty 31 Pound Flywheel and steel-crafted components 16 levels of resistance insuring a challenge, and 14 workout programs consisting of 8 preset programs and 4 heart rate controlled programs Ultra-sensitive contact heart rate sensors