Sunny Health & Fitness Smart Pro Indoor Cycling Exercise Bike, Felt Resistance and Belt Drive, Free SunnyFit App Connection – SF-B901SMART

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Written By Marisa J. Rutledge Rutledge

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Price: $399.99 - $324.99
(as of Oct 08, 2025 17:31:15 UTC – Details)


The Pro II is the successor to the iconic and popular Sunny Health & Fitness Pro Indoor Stationary Cycle Bike. The Pro II exercise bicycle comes equipped with even more features than the original. Adjust the 4-way adjustable seat that can accommodate leg inseams between 28 inches and 41 inches. The smooth belt-drive mechanism ensures your cycle workout will be quiet, especially in shared spaces. Intensify your workout as you cycle through increased levels of resistance. Track your workout data on the onboard performance monitor and place a smart device on the built-in tablet holder to watch videos. Built with a durable metal frame, this upright bike has a user weight limit of 275 lb. The new standard in-home fitness bikes have arrived!
【40 LB FLYWHEEL】The 40 LB chrome flywheel is engineered to provide exceptional stability and riding momentum, ensuring challenging workouts that engage your muscles and promote a smoother, more effective exercise experience.
【FREE CONNECTED APP】 Enjoy FREE access to the SunnyFit App with every Sunny Health & Fitness product—no membership fees! Dive into 1,000+ trainer-led workouts, explore 10,000+ virtual scenic tours, track your progress, challenge others, and much more!
【QUIET OPERATION】The belt-drive mechanism offers a virtually maintenance-free solution. Its whisper-quiet operation allows you to exercise without disturbing others, creating a peaceful and uninterrupted workout environment.
【STEPLESS RESISTANCE & SAFETY】Effortlessly adjust your workout intensity with the micro adjustable resistance knob. The dual felt pad resistance system allows seamless adjustments, and for quick stops, simply push down the resistance knob.
【PERSONALIZED COMFORT】Easily adjust multi-grip handlebars and a two-way seat to match your riding style and leg inseam length (adjustable inseam height: Max. 41 in / Min. 29 in), ensuring a comfortable and customized cycling experience.
【ROBUST & STABLE】The heavy-duty steel frame provides a solid foundation, allowing you to confidently engage in any cycle-based workout. With a weight capacity of up to 275 LB, this frame ensures stability and durability.
【PERFORMANCE DIGITAL MONITOR】The LCD digital monitor tracks essential workout metrics, including time, speed, distance, calories burned, odometer readings, pulse rate, and RPM (revolutions per minute).
【ULTIMATE CONVENIENCE】Stay entertained with a device holder, stay hydrated with a bottle holder, and seamlessly switch to strength training with a dumbbell holder—all within easy reach, enhancing your workout experience.
【EFFORTLESS SETUP & MOBILITY】The bike offers easy assembly, allowing you to start your workouts quickly. With the transportation wheels, you can effortlessly move and store the bike as needed, making it a practical and versatile fitness solution.
【Sunny Health & Fitness Commitment】A top fitness brand for 20+ years, offers superior products and a dedication to excellence. Count on our committed customer service and enjoy peace of mind with a 1-year warranty on the structural frame.

Customers say

Customers find the stationary bike to be a solid exercise machine that functions well and is quiet, offering good value for money. The build quality receives mixed feedback – while some find it solid, others report issues with pedals breaking. Assembly experiences are also mixed, with some finding it easy to assemble while others find it too hard. The resistance level gets mixed reviews, with some saying it offers as much resistance as needed while others find the lowest level too high. The bike’s stability receives negative feedback, with multiple customers reporting sticking issues.

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