Exerpeutic Folding Magnetic Upright Bike with Pulse WEIGHT CAPACITY: Up to 300 lbs. Intended to be used on the hard flat floor. SEATING COMFORT: Large seat cushion for people of any size, easily adjustable to fit anywhere from 5'3 inch to 6'1 inch users. HEART RATE: Hand Pulse Monitor Please tighten the Screws/Bolts to avoid noise during pedaling;Fitness Goal:Increase Cardio, Lose Weight. The bike will fold to at least  the size as when fully assembled, so it is uniquely compact COMPACT DESIGN: Folds for storage and can moved with the included transportation wheels TENSION RESISTANCE: An 8 level Magnetic Tension control system, allows the user to adjust the tension level for an easier or more difficult workout. Refer to the manual for troubleshooting steps of Tension system malfunctioning.