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Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review

The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike has a common denominator of a high number of positive Amazon customer reviews as the Sunny Health & Fitness Pro Indoor Cycling Bike, except that the former is a belt-driven bike while the latter is chain driven.

The B1002 is a mid-range bike that is affordable and provides decent cardio workouts that burn fat and improve theSunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review overall physical fitness of the body in the comfort of your home.

The bike has a simple but solid construction with the necessary features to help you realize your fitness goals. It has a heavy flywheel, fully adjustable seat, and a belt drive system that is maintenance-free, quiet, and smooth during operation.

Sunny Health & Fitness has always been at the forefront of manufacturing fitness equipment that is affordable but also durable. This allows many individuals on a low budget to be able to acquire decent workout hardware for home use.

The unit is no doubt one of the best spin bikes in the mid-range category.

That said, in this review, we are going to comprehensively explain the upsides and of course the downsides of the FS-B1002.

Click right here to have a peek at the price of the Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike on Amazon

The Frame/Construction

The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is constructed to be very sturdy and withstandSunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review hard use. It may not have the bells and whistles but it is solidly constructed to support up to 275 pounds/127.7 kg maximum user weight capacity.

The bike is built like a tank with a steel frame that is coated with anti-corrosion and scratch paint that preserves its original appearance from corrosion and scratches. The seat and handlebar posts are chrome finished which is anti-corrosive as well.

The B1002 has some level of adjustability that allows users of different heights to be accommodated conveniently.

Its outstanding stability is as a result of the integrated front and rear stabilizer bars with adjustable rubber levelers that help to level up the bike on an uneven floor.

However, most users purchase the spin bike together with a protective rubber mat in order to optimize its stability and prevent damage to the floor, especially a wooden one.

It weighs about 116 pounds/52.6 kg which serves as a stabilizing factor, therefore, no movement or wobbling will be experienced during a vigorous workout as long as you are within the stipulated user weight.

Relocating or moving the bike won’t be a problem because It is a portable unit with transport wheels at the front base.

The Sunny Health & Fitness SF-B1002 Indoor Cycling Bike is not a large bike because it has the overall dimensions of 44 inches long by 20 inches wide by 44 inches tall. Differently put, this bike will require a workout and storage area of 3.7 feet long by 1.7 foot wide. However, additional clearance of at least 2 feet should be considered on each side of the bike and the rear during workouts so that safety and convenience could be attained.

The Seat, the Handlebar, and the Pedals

The seat of the Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is pretty much like the standardSunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review slim design found on most indoor and outdoor bicycles. It is not a very comfortable seat on its own but could feel much better if a gel seat cover is used.

It is well contoured but not adequately padded. It has the dimensions of 10.5 inches long by 6.5 inches wide by 2.5 inches height.

Also, you can also replace it with another saddle of your choice because the connection mechanism is standard and therefore could be compatible with many other types of bike seats that could be found even in your local bicycle shop.

The seat is 4 way adjustable; this means it could be adjusted vertically (upward/downward) and horizontally (fore/aft). This is a big deal because it allows the user to make adjustments as he or she sees fit in order to fit in comfortably.

There are distinctive holes on the seat’s post for easy adjustment and it will only take a few seconds to you to completely make the settings.

Users between the heights of 5 feet 1 inch to up to 6 feet 5 inches can be accommodated and could also suit even taller individuals but that would come with some level of restrictions though.  The seat has a customizable height inseam of 40 inches maximum and 29 inches minimum.

Members of the family and buddies could also use the bike due to its adjustability.

The handlebar is not 4-way adjustable like the one on the Sunny Health & Fitness SF-1714 Evolution Pro. If it had had a 4-way adjustable handlebar this could have made it possible for users to make adjustments that provide different workout postures.

That said, the handlebar can be adjusted vertically, i.e., upward/down, which still makes a difference in terms of providing comfortable workout posture especially with the 4-way adjustable seat that compliments it.

Speaking of posture and comfort, the handlebar has a multi-grip design that provides different grips that essentially impact your workout posture and it is coated with a soft rubber foam material that offers a firm and comfortable grip and prevents slippage and blister in the palms.

Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike ReviewThe Sunny Health & Fitness SF-B1002 is supplied with toe cage pedals that are made of aluminum alloy. Again, the pedals come with just toe cages without SDP clips; however, it is very possible to replace them with a set of dual-sided pedals if you so wish because the thread is standard.

The Q Factor (i.e. the distance from the inner edge of the left pedal to the inner edge of the right pedal) is 216 mm/8.5 inches. This is not as narrow as the Q Factor of the regular bicycle such as the mountain bicycle. As a matter of fact, the Q Factor of the Sunny Health & Fitness SF-B1714 or the Asuna LANCER is applaudable.

Bottom line is that, with a wider Q Factor such as the one on the B1002, you may find it a little bit awkward when pedaling especially if you are used to riding a real road bicycle because your legs and feet will be a little bit apart than normal. This could cause some level of stress in the knees and the ankles.

The Drive

The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is a belt-driven bike with a 49 pounds/22.2 kg heavy-duty, precision, perimeter weighted flywheel positioned at the front. This is obviously one of the selling points of this bike because very few cycling bikes in its category have it.

There are several advantages that come with a belt drive system. One of those benefits is that it is maintenance-free; unlike the chain drive that requires periodic lubrication and adjustment of the chain, but that is not the case with a belt drive system.

However, the belt may wear out over time and is going to need replacement at some point in time but that will not happen soon.

Secondly, it is very quiet and smooth during operation. In other words, this bike provides smooth, quiet, and consistent pedaling and operation due to the heavy flywheel that gives it the momentum it needs and the drive.

The drive is made up of a heavy-duty belt that is resistant to stretch, pulleys, solid crankset, and steel crank arms that could support standing ride of a user that is within the weight range capacity.

The pedals are bi-directional which means that you can pedal in reverse giving you the opportunity to work on more muscle groups; although, you cannot coast as one could on a bicycle because the flywheel and the pedals turn concurrently and this could be a problem when you wish to suddenly stop pedaling.

Therefore, you must use the resistance tension knob that doubles as the emergency brake to bring the spinning flywheel and the pedals to an abrupt stop in order to avoid an accident.

The Resistance

The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike features a friction resistance system. This isSunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review normal for spinning bikes within this price range, even though some high-end bikes do come with it as well.

The disadvantage of a friction resistance system is that the brake pad requires replacement over time due to tear and wear that is associated with its friction with the flywheel. It could be a little bit noisy; however, this could be remedied by applying a silicone-based lubricant on the flywheel.  Then, it often does not have distinct specified resistance levels that could help you to know the highest level used in your previous workout in order to know if you are making progress at improving your strength and endurance level.

That said, the friction resistance system on this bike is infinite which means there are no resistance levels and so you just have to keep on adjusting it until you feel you have the right resistance that is suitable for your workout. In other words, it provides easy, medium, and difficult resistance options that are suitable for users of all fitness levels.

The resistance system has a simple mechanism that consists of a tension knob that is situated on the mainframe tubing, connected to a felt brake pad that makes direct contact with the flywheel when adjusted in order to generate resistance.

It is very easy to increase or decrease the resistance; simply turn the tension knob clockwise to increase the resistance and anticlockwise to decrease the resistance.

The combination of the heavy flywheel and the felt pad makes the resistance it produces very formidable, and users have no complaints about the quality of workouts they get either.

The Console

The Sunny Health & Fitness SF-B1002 does not have a console. It is not supplied with a console unfortunately and this could be a deal-breaker for some people because that would mean that a user will not able to keep track of workout progress.  However, in most cases, bikes in this price range hardly come with a monitor.

That said, you may choose to buy an external monitoring device and HR chest strap if you wish to monitor your pulse as well.

Wahoo Cadence device is often bought together with the bike because it allows you to keep track of workout progress via iPhone, Android, and the bike computer.


The Sunny Health & Fitness SF-B1002 features only a water bottle holder. This is a very important accessory because it allows you to keep water handy for adequate hydration during workouts.

If you want, you can purchase a tablet or a smartphone holder separately, there are several recommendable ones on Amazon.


The storage of the Sunny Health & Fitness SF-B1002 Belt drive Cycling Bike should not be a problem even to thoseSunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review with space problems because it is not a very large unit.

Just as aforementioned, the overall assembled dimensions are 44 inches long by 20 inches wide by 44 inches tall. Differently put, 3.7 feet long by 1.7 feet wide storage area will suffice.

Even though it weighs about 116 pounds/52.6 kg in weight, relocating or moving it from one room to another won’t be difficult because it is integrated with transport wheels that make it completely portable.

Approval Rating

The B1002 has several hundreds of Amazon customer reviews 95% of which are positive. This suggests that this is a very popular bike that could be the right choice for you as well.

It is a durable bike with a belt drive system that offers a smooth, quiet, and consistent ride. It requires less space for workout and storage, easy to assemble, and great for all fitness levels.

Pros/Features Overview

  • Very strong and sturdy frame made of steel
  • It supports up to 275 pounds/124.7 kg maximum user weight
  • It is affordable
  • It is compact with overall dimensions of 44 inches long by 20 inches wide by 44 inches tall
  • It is portable with integrated transport wheels at the front base stabilizer bar
  • Very quiet, smooth and consistent ride
  • Heavy perimeter weighted flywheel that weighs 49 pounds/22.2 kg
  • Drive and pedals support stand-up pedaling
  • Very stable during a vigorous workout
  • The seat is 4-way adjustable
  • The handlebar is 2-way adjustable and well coated with rubber foam material for optimum grip and comfort
  • Multi-grip designed handlebar provides different workout postures
  • Bidirectional pedals allow reverse pedaling that work on additional muscle groups
  • Friction resistance system that is very formidable for all fitness levels
  • Water bottle holder included
  • Low maintenance


  • Does have a console/monitor, however, you may purchase the external type
  • Does not have distinct resistance levels
  • The brake pad may require replacement at some point in time
  • Q Factor is not narrow enough


Product Dimensions and Specifications

  • 44’’ Length
  • 20’’ Width
  • 44’’ Height
  • Weight: 116 Pounds/52.6 kg
  • Supports up to 275 pounds/124.7 kg maximum user weight
  • Frame: Steel
  • Pedals: toe cages
  • Drive: Belt
  • Resistance: Friction
  • Seat: 4-way adjustable
  • Handlebar: 2-way adjustable and multi-grip designed
  • Water bottle holder included
  • Console: Not available


  • 3 Year on Frame
  • 90 Days on Parts

Shipping, Assembly, and Maintenance


The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike comes in a box that weighs 126 pounds/57 kg with dimensions of 40.5 inches by 9.5 inches by 35 inches.

While the shipping cost usually depends on the retailer that is selling the product; however, some vendors such as Amazon provide free shipping.


There is an option for paid assembly which is otherwise known as the ‘’expert assembly’’ especially on Amazon. If you opt for this the assembly of the bike is going to be done by someone from Amazon or the vendor on Amazon without you raising a finger.

But if you wish to assemble it all by yourself (DIY), that is also possible. As a matter of fact, most users can tell you that they assembled it by themselves.

This is even true because it is very easy to assemble due to the fact that the bike comes with all the major and complicated parts already preassembled.

As a result, there are only a few parts to be attached to the frame such as the saddle, the handlebar, the posts for the handlebar and the seat, the pedals, and the stabilizer bars.

An instruction manual that is designed to walk you through the process of the assembly is included in the package and the tools required for the job are also included.


The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is a low maintenance bike that only requires cleaning from dirt and sweat at all times and a regular examination for any anomaly such as loose, worn or broken part. Correct any problem that may arise before use.

Other than that, there is no serious maintenance needed except if the belt shreds and wears out which could take up to a year or more (depending on how frequent the bike is being used) before that will happen.


The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is obviously an affordable bike that provides suitable and challenging workouts that could help you achieve your fitness goals. The bike is solidly made to support 275 pounds/124.7 kg user weight capacity and can withstand extreme hard use.

It is capable of inducing weight loss, toning the muscles, and improving your overall cardiovascular health.

Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike Review
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The Sunny Health & Fitness SF-B1002 Belt Drive Indoor Cycling Bike is constructed to be very sturdy and withstand hard use. It may not have the bells and

Product Brand: Sunny Health & Fitness

Product In-Stock: InStock

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