Sunny Indoor Cycling Bike SF-B1805 Review

Last Updated on June 27, 2021 by Jeff

Sunny Health & Fitness SF-B1805:

Sunny Health Fitness Magnetic Belt Drive Indoor Cycling Bike SF-B1805Sunny Health & Fitness has been in the business for a little over 15 years. Their Magnetic Belt Drive Indoor Cycling Bike is a newer model from the company, and the positive reviews left online make it seem like this is a bike that will stand the test of time. Whether you’re a seasoned cycler or fairly new to working out at home, you’ll be able to easily get into the swing of things on this bike.

The magnetic belt drive helps to give you that realistic real-road feeling. The micro-adjustable resistance creates multiple levels of riding for all fitness levels. If you have an entire family who wants to workout, this is a great addition for your home gym. That’s because the bike is adjustable. One reviewer was excited to find out that this bike could accommodate her 5’0” daughter and her 6’1” husband. This bike is also great for the family because it accommodates everyone, no matter what their fitness level may be. The adjustable fitness knob allows someone who is more in shape to cycle against a heavier resistance. For those just starting out, they can easily adjust the knob down to suit their needs.

Technical Info:


  • Height: 45”
  • Width: 23”
  • Length: 48”
  • Item weight: 125.7 lbs
  • Max user weight: 300 lbsSunny Health Fitness Magnetic Belt Drive Indoor Cycle Bike SF-B1805


  • Adjustable handlebars and seat which can be moved either up or down and closer or farther away from the handlebars to create the perfect fit for cyclists.
    • Adjustable seat handlebar distance has minimum of 17” and maximum of 21”.
  • Sleek 44 lb flywheel creates a smooth, speedy, and stable ride for longer periods of time.
  • Adjustable floor levelers so that the bike is leveled with your floor.
  • Bottle holder allows you to stay hydrate during demanding workouts.
  • Adjustable tension knob allows you to switch up the intensity of your workout.
  • Built-in tablet holder allows you to keep track of your fitness program and progress.


  • Structural frame: 3 years
  • Other parts and components: 12 months

Shipping and Assembly:

Sunny Health Fitness Magnetic Belt Drive Cycling Bike SF-B1805The Sunny Health & Fitness Magnetic Belt Drive Indoor Cycling Bike qualifies for Free Economy shipping which takes on average 6-7 business days. The bike is shipped via the courier of your choice. If you would like faster shipping, options like FedEx Ground and Express Saver are available but they will cost extra.

Also, Amazon often ships fitness equipment for free via Amazon Prime. Be sure to check for their current offers.

What We Love About the Sunny Indoor Cycling Bike:

High-Interval Training

This is a cycling bike that will grow with you. It gives you the option of starting off at a very low resistance until you get comfortable and are ready to work your way up. This cycling bike gives you a high-intensity cardio workout with high-interval training. A tablet holder allows you to connect your device within arms-reach so you can follow a workout program which will allow you to get in shape and advance through the various levels that the bike offers.

Adjustable Magnetic ResistanceSunny Health Fitness Magnetic Belt Drive Indoor Cycle SF-B1805

This cycling bike allows you to get a great workout thanks to the adjustable magnetic resistance. You don’t have to struggle or put much thought into it as you seamlessly transition between different levels of resistance. There are levels of resistance available for riders of all different levels. The closer you adjust the magnet to the flywheel, the greater the resistance you experience.

Other Considerations:

A Virtually Quiet Ride

This is one of the quietest bikes available on the market. Reviewers have noted that they now have the luxury of working out late into the night without ever waking up their family members. One person who uses the bike in an apartment building with thin walls was surprised to find out that his neighbor never hears him working out. The quietness of the bike is due to the large flywheel and the magnetic. With this cycling bike, you don’t have to worry about a heavy motor or a cranking noise while you ride.

Option to Download a Compatible App

Sunny Health Fitness Magnetic Belt Drive Indoor Bike SF-B1805One nice thing about the Sunny Health & Fitness Magnetic Belt Drive Indoor Cycling Bike is that you have the option to download a compatible app. The Sunny Health & Fitness app is free to download. The app has a menu where you can choose which piece of Sunny Equipment you’re using. It then stores and displays your workout, gives you visual data on how you’re doing, and monitors your heart rate through a belt. You can rest your phone or tablet in the designated holder on this cycling bike and you’re ready to go.

Final Word on the Sunny Health & Fitness Magnetic Belt Drive Indoor Cycling Bike:

The Sunny Health & Fitness Magnetic Belt Drive Indoor Cycling Bike is a great option for those who want a smooth ride from the comfort of their own home. The magnetic resistance bike is something that sets it apart from other bikes on the market. That’s because this bike gives users a great workout because they really have to push to get through the multiple levels of resistance that this bike offers.

This cycling bike is built to last. The durable steel frame ensures that users up to 300 lbs can ride with no problem. Floor levelers give the bike and the rider that added level of protection. When a bike is level with your floor, you don’t have to worry about it wobbling or falling over especially when you’re in the middle of an intense workout. Overall, this is a quiet and sturdy bike nicely priced at $599. It requires minimum maintenance and will last a long time in your home gym with the proper care and usage.