展开Firm and tone you body with a cardiovascular workout using the Electro-Magnetic Recumbent Exercise Bike model number SF-RB4954 by Sunny Health & Fitness. The advanced digital monitor offers all the features and benefits that you look for in a recumbent bike, helping you track speed, distance, time, calories & pulse. It also lets you set you weight, height, age, sex to help track you fitness progress. Built with 24 levels of electro-magnetic resistance and 12 programs for a challenging workout session.Easily mount and dismount the stationary bike with the step-through design. The wide, adjustable exercise seat has lumbar support that will help you work out comfortably. Move the adjustable seat with the easy-to-use lever to accommodate leg inseams between a minimum of 28 inches to a maximum of 34 inches. Easily track you heart rate when you hold the side bars with pulse sensors. PERFORMANCE MONITOR - Monitor will help track time, speed, rpm, watt, distance, calories, temperature, and pulse for monitoring your heart rate. ELECTRO-MAGNETIC RESISTANCE - 24-levels of electro-magnetic resistance easily adjust the intensity of your workout with precise digital control or have one of the 36 programs automatically adjust the resistance during your workout. PULSE SENSORS - Monitor heart rate during exercise sessions. The steadier & more prolonged elevated heartrate is during workout, more fat is burned. DURABLE FRAME - 300 lb max user weight with sturdy frame. The heavy duty, steel frame is built for the toughest and strongest workouts! DUAL DEVICE HOLDERS - Place your devices to be ready to exercise, one in front of monitor and another above monitor with pull up back support. BLUETOOTH ENABLED - Play multimedia sound through built-in speakers. USB PORT - Charge your devices with built-in USB port on the right side of digital monitor. EXTRA COMFORTABLE SEAT - Soft and sturdy, the comfortable recumbent bike seat with back support will help you stick to your weekly workouts. EASY SEAT ADJUSTMENT - 2-Way seat adjustment for comfort and proper training position. INTEGRATED FAN - Keep cool and stay cool with the built-in cooling fan. You don’t have to sacrifice comfort for fitness. TRANSPORTATION WHEELS - Built-in transportation wheels for easy portability. Simply tilt and roll out for use or away for storage, no need for heavy lifting or muscle strain. FLOOR STABILIZERS - Adjust the height of each foot leveler to create a balanced riding experience, even if you have uneven floors! Exercise more intensely without worrying about rocking or tilting! Cancer and Reproductive Harm - www.P65Warnings.ca.gov