展开Achieve a hassle-free cardiovascular workout with the Magnetic Recumbent Exercise Bike model number SF-RB4936 by Sunny Health & Fitness. Easily mount and dismount the stationary bike with the step-through design with minimal leg movement. The wide, adjustable exercise seat has lumbar support that can help you work out comfortably for longer duration. 8 levels of magnetic resistance for challenging workout sessions. Move the adjustable seat with the easy-to-use lever to accommodate leg inseams between 24 in Min - 32 in Max inches. Maintain stability on the home use cardio machine with the built-in levelers. Grab onto the full motion arms to work out your arms and upper body. Easily track your heart rate when you hold the pulse sensors. FULL MOTION ARM EXERCISERS - The arm exercisers allow you to get in a full body workout and work synchronously with the legs to achieve an intense calorie burn in rhythm. You may also use the arm exercisers independently of the pedals if you prefer. DIGITAL MONITOR - Measure your speed, distance, time, calories, odometer, pulse and scan on the easy to read digital monitor. 8-LEVEL ADJUSTABLE RESISTANCE - 8-levels of magnetic resistance easily adjust the intensity of your workout with precise control. PULSE SENSORS - Getting your heart rate up to the proper beats per minute allows you to measure the effectiveness of your workout. Use the included Heart Rate Zone chart to help you gauge your BPM. DURABLE FRAME - 265 lb max user weight with a solid sturdy frame. DEVICE HOLDER - Place your mobile device above the digital monitor and start your exercise routine watching your favorite Sunny Health & Fitness online training videos. EASY SEAT ADJUSTMENT - The padded comfortable seat with easy seat adjustment allows the user to simply pull a lever to change seating positions without having to interrupt your workout or get up off the bike. STEP THROUGH DESIGN - Safe and easy mounting and dismounting of exercise bike. SELF LEVELING PEDAL W/ ADJUSTABLE STRAP - Loaded with a weight underneath to keep the pedals always level for easy access. Cancer and Reproductive Harm - www.P65Warnings.ca.gov