SMART FITNESS: Ride along with Sunny Health & Fitness expert trainers on the Sunny Health & Fitness SunnyFit APP. Connect your preferred mobile device through Bluetooth and view your performance metrics in real-time. SUNNYFIT APP: The all-new SunnyFit APP takes your Sunny workouts to the next level! View your live metrics displayed in real-time as you tour the world with real location maps. Get the results you want with customized workout plans. Explore 500+ workout videos that fit your schedule and goals. Compare your results on the exercise bike leaderboard, share your fitness experiences, get workout tips, and much more! LARGE FLYWHEEL: The internal 9 LB flywheel can generate more inertia than similar bikes in its class. This provides a smoother ride as it builds momentum for those intense stationary bike workouts. EXTRA LARGE SEAT: Measuring over 3 inches thick, the extra-large, padded seat provides unparalleled comfort and support for an indoor exercise bike. MAGNETIC RESISTANCE: Contactless resistance using internal magnets offers a much smoother and streamlined ride compared with felt, leather, or other types of contact resistance mechanisms.