Jumpstart your in-home fitness routine with the SF-B1879 Synergy Magnetic Indoor Cycling Bike by Sunny Health & Fitness. Indoor cycling can strengthen your cardiovascular health and engage your core, arms, and lower body with proper and consistent exercise. Instantly boost your in-home cardio challenge with the magnetic resistance that makes your workout easy when you want it, hard when you need it. SWIFT FLYWHEEL: The 30-pound flywheel will make it easy to get your cycling routine started, while also maintaining speed and consistency as you pedal. BELT-DRIVE MECHANISM: This home-use bike has a durable belt-drive mechanism that is smooth, consistent, and quiet—which allows you to focus more on your performance while you’re cycling. PULSE-SENSING GRIPS: Monitor your cardiovascular performance with the built-in pulse-sensing grips so you can actively check your workout efficiency, displayed on the performance monitor. DUMBBELL HOLDER: Use this cycling exercise bike with dumbbells (not included) to engage muscles in your upper body while you cycle. You can place them onto the built-in dumbbell holders when they are not in use (up to 20 lbs). PERFORMANCE MONITOR: Build new workouts when you effectively track your progress by using the battery-powered display. Easily check your speed, distance, time, RPM, pulse, and calories burned at a glance while you cycle. MAGNETIC RESISTANCE: Revitalize your workout with an integrated magnetic intensity that can amplify or reduce your cardiovascular challenge within seconds. FIND YOUR FIT: Customize this bike around your individual height. Take advantage of the 4-way adjustable seat, 2-way adjustable handlebars, and a wide leg inseam range of 27 inches to 37.5 inches.