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Sunny SF-B1423C Indoor Cycling Bike Review

Last Updated on July 3, 2021 by Jeff

Sunny Health and Fitness SF-B1423C Chain Drive, Indoor Cycling Bike Overview:

Sunny Health and Fitness SF-B1423C Chain Drive Indoor Cycling BikeThe Sunny Health and Fitness Sf-B1423C Indoor Cycling Bike is in the mid-price range of the well-reviewed indoor bikes made by this popular brand. Made with heavy duty steel and road bike features, it is sturdy, durable and most of all, rides like a regular bike. With a 40-pound flywheel and a chain drive, it gives a fairly smooth and quiet ride. The full adjustable seat has high density padding for comfort during intense rides, and the LCD monitor will track your progress and keep you motivated. Complete with a water bottle holder and sporty styling, this indoor bike has everything to get you pedaling your way to better health and fitness.

The gray frame with red trim, black seat, handlebars and pedals looks chic and will make you feel like you are using a legitimate piece of gym equipment.

Technical Info:


  • Height: 47 inches
  • Width: 29 inches
  • Length: 44inches
  • Item weight: 94 lbs.
  • Max user weight: 265 lbs.


  • 40 lb flywheel and a chain drive for a smooth and quiet ride.
  • Resistance is adjustable by twisting a knob.
  • High density padding makes the seat comfortable even for extended rides.
  • Seat and handlebars are both adjustable for perfect positioning. Seat adjusts up and down as well as nearer or farther from handlebars.
  • Foot cage pedals let you pedal as fast as you want without fear of losing your position.
  • Transport wheels allow you to move your bike easily.
  • Step down braking system lets you quickly stop no matter what the reason.Sunny Health Fitness SF-B1423C Chain Drive Indoor Cycling Bike

Monitor Features:

  • LCD monitor with easy set up.
  • Monitors time, speed, distance and calories burned. A scan function lets you get an overall picture of your progress as you go.


  • Frame: 3 years
  • Parts and Components: 90 days

Shipping and Assembly

Shipping costs can vary from buyer to buyer. It is easier to have this bike shipped to you but other options like ship to store may save you some money overall. Free shipping, when possible makes this much more convenient as you won’t have to struggle to get it into your vehicle and then back out once you reach home.

Assembly is very easy and all parts, tools and the manual are included in the package. Most people struggle with the pedal assembly but even that part should take you no more than a few minutes to figure out. Overall, you should be able to assemble this indoor cycling bike in less than an hour.Sunny Health Fitness SF-B1423C Chain Drive Indoor Bike

What We Love About the Sunny Health and Fitness SF-B1423C Indoor Bike

Adjustable for Multiple Trainees

This is a bike that can be used by nearly everyone in the family. The seat and handlebars can be adjusted quickly and easily. It only takes the twist of a knob to move the seat up or down, nearer to the handlebars or farther away. Handlebars are also adjusted with a knob and can be raised or lowered so that you are at the right angle for riding comfort.

The seat adjusts from a minimum inseam height of 27 inches to a maximum of 36 inches.

Heavy Flywheel and Chain Drive System

Indoor spin bikes use either a chain, belt or magnetic resistance. Chain drives tend to be more durable and also provide a more bike-like feel to the ride. The heavier a flywheel is, the greater the amount of resistance it can generate. The SF-B1423C uses a 40-pound flywheel to achieve similar amounts of resistance as what you would see with bikes that are more than double the price.

What Isn’t So Great:Sunny Health and Fitness SF-B1423C Chain Drive Indoor Bike

Pedal and Crankshaft Assembly

The hardest part of assembling this spin bike will be the pedal and crankshaft assembly, so it’s disappointing that this is the first part to break in nearly all cases. The pedals themselves are plastic and can crack, especially for someone who intends to use this bike for standing sprints and high intensity workouts. The cage is also plastic and may be difficult to use for people with larger or smaller than average feet.

The crankshaft can reportedly become dislodged or may break with routine use.

Customer Service Must Improve

Sunny Health and Fitness makes some great products, all with pretty decent warranties, but the company has to get better with customer relations. Some people get excellent service while others get delays and disagreements. While this may not be entirely on the company every time, the inconsistency alone is cause for some concern. Consumers demand that companies back everything that they sell and that they treat every customer like the most important one.Sunny Health and Fitness SF-B1423C Chain Drive Indoor Cycle

How the SF-B1423C Compares to the Sunny Health and Fitness SF-B1423

Both models are similar in price with only about $10 separating them. While the SF-B1423C model has a chain drive the SF-B1423 is belt drive. Both have the same dimensions, but the SF-B1423 has slightly more inseam adjustability. This model has the same problems with both the pedals and crankshaft as well as the customer service issues.

Final Word on the Sunny Health and Fitness SF-B1423C

The Sunny Health and Fitness SF-B1423C indoor cycling bike is a decent indoor bike at a decent price. With a solid, heavy duty steel frame, it is durable and will last trainees a long time, even with extended or hardcore workouts. Being able to adjust it from trainee to trainee lets everyone get more than their money’s worth out of it. Resistance can be adjusted with a twist of a knob so that you can vary your workout routine from day to day. It is durable enough to allow for standing sprints. Safety features like the pedal foot cage and step-down braking are great, and the sports styling makes this a bike you wouldn’t mind leaving in your front room.

At 94 pounds, it is not overly heavy and transport wheels make it even easier to move. It is a great indoor bike at a decent price.

Related reads:

Indoor Bike Reviews


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