Body-Solid Endurance FB300B Fan Bike

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Endurance FB300B

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300 lbs96.8 lbsAirRPM,

Body-Solid Endurance FB300B is an air resistance exercise bike that can be compared in terms of specs and features with the Sunny Health & Fitness SF-B2706. It has, however, a slightly lower weight capacity, but does come with a more consistent warranty. It’s definitely a heavy-duty exercise bike; its overall sturdiness and frame construction can be compared to a light-commercial one.

Key Features and Specifications

  • Assembled dimensions: 49L x 24W x 50H inches (125L x 61W x 127H cm)
  • Assembled weight: 96.8 lbs (44.7 kg)
  • Supported weight: 300 lbs (136 kg)
  • Handlebars: Mobile
  • Seat: 4-way adjustable
  • Drive: Chain
  • Resistance: Air
  • Console: 3 interval programs, 4 target programs
  • Included accessories: Bottle holder
  • Warranty: Frame 15 years / Parts 3 years / Electronics 2 years / Wear parts 6 months / Labor 1 year

Frame construction

The Body-Solid FB300B air bike combines ovalized and cylindrical bars in its construction for improved sturdiness and aesthetics. Most of its frame is made of heavy-duty steel tubing, coated with a corrosion-resistant paint finish. The color used is black, as opposed to the older version which was painted gray. The “Endurance” logo on the frame is painted white. The seat post and its slider is chrome-plated.

The bike offers a fairly heavy construction; with the frame and the other parts fully set up, it weighs approx. 97 lbs (45 kg). This means its assembly may require two people, but on the other hand, all this weight provides superior stability. Plus, when it comes to stability, both its base bars are equipped with adjustable levelers which have large rubber pads. Therefore, the unit has an excellent grip on the floor, so it won’t move or rock even if you engage in a more demanding cardio workout.

Once the bike is fully assembled, its transport can be done with ease by using its front wheels. Although it does not have the rear lifting handle like the Sunny Tornado SF-B2729, you can still easily lift it from the seat slider in order to use the wheels.

In terms of dimensions, the FB300 fan bike is not extremely large. It’s approx. 49″ (125 cm) long, and 24″ (61 cm) wide. This being said, you should assign a usage area for it of a least 80″ x 60″ (203 x 152 cm).

Seat and handlebars

The Body-Solid FB Endurance air resistance bike is equipped with a high-comfort seat. The saddle features a generous layer of cushioning and a highly durable vinyl top. It has rear shock absorption springs and a longitudinal groove for improved breathability. It’s also fairly large, offering plenty of contact surface. This being said, even the users who are new to cycling shouldn’t experience discomfort while using this exercise bike.

The bike’s seat offers 4-way adjustability (up, down, forward and backward). Its upright post has 10 adjustment notches with approx. 1″ (2.5 cm) in-between. Plus, its horizontal slider provides several inches of front to back adjustment. This being said, the bike should be able to accommodate users between 5’2″ and 6’6″ (157 – 198 cm) with no problem, allowing a complete leg extension and range of motion for the arms. Also, the seat and the whole frame of the unit are rated for a user weight capacity of 300 lbs (136 kg).

The Endurance FB300B bike has moving handlebars only. They cannot be locked in place; they move for as long as you’re pedaling, or for as long as the flywheel is spinning. As opposed to the Schwinn AD7 Airdyne, their grips are simple, curved outward. They have a layer of rubber foam material in order to provide a secure grip.

Drive and resistance

The FB300B Endurance air resistance bike features a dual drivetrain that uses two chains and an intermediary pulley. One of the chains is on the right side, connecting the main crankset to the intermediary pulley, while the other is on the opposite side, connecting the intermediary pulley to the flywheel. This type of drivetrain considerably improves pedal smoothness and also adds a bit of difficulty to the pedaling motion. Also, since it uses chains, the unit’s drive system can last a lifetime if properly maintained.

The bike is equipped with a large, 27″ (68.6 cm) in diameter flywheel. It’s the largest flywheel (so far) used in the construction of an air resistance bike. It delivers a dynamic response during pedaling, which means that the harder you pedal and/or move the handlebars, the more resistance you will get. The bike does not have a magnetic drum for adjustable resistance, nor does it have any type of brake for tension control, like the Sunny SF-B2640, for example.

Although the fan of the bike is considerably larger than for other bikes, such as the Marcy Air 1 for example, it does not provide a heavy momentum as the heavy and perimeter-weighted flywheel of a spin bike. This being said, this bike may not be the best choice if you want to improve your leg muscle strength. But nonetheless, by being able to move your arms as well during exercising, and by following one of the interval programs on the console, you can definitely benefit from a very consistent cardio workout.

The bike is equipped with a set of heavy-duty pedals and cranks. They should be able to support the user in a standing-up position while pedaling with no problem. The pedals are made of a durable nylon material. They do not have any straps or clips for spin shoes, but they have standard threads, so you can always replace them if needed.

One last aspect to mention here regards the foot resting pegs. Not all fan bikes have this feature. They’re placed at the joints between the moving arms and the pedal bars and offer the possibility to rest your legs while you only use the moving arms.


The Body-Solid FB300B includes a console similar to the Sunny Tornado LX. It features an LCD display (without backlight) which is divided into multiple windows. Therefore, it shows time, total time, distance, calories, pulse, watts, speed, and RPMs, all at once; you don’t have to use a scan function to rotate them.

The speed and distance can be displayed in either metric or standard units. For pulse reading, the bike does not have any sensors. However, the console is telemetric. It can track your heart rate through a wireless chest strap transmitter (which is not included).

The console offers three interval programs and four target programs. Each program has its own button on the console for quick selection. The interval programs are for 10/20, 20/10, and custom. Differently put, if you select the 10/20 Interval program, the console will prompt you to intensely workout for 10 seconds, then rest for 20 seconds (or considerably reduce your pace). For the other program, the work interval is 20 sec, and the rest interval is 10 sec. And finally, for the custom interval program, you can set up the duration of the rest and work intervals.

The target programs offer the possibility to select a goal for time, distance, calories, and heart rate. When a target is selected for any of these workout metrics, the console will display the remaining value from the selected target as you exercise.

The Heart Rate Target works a bit differently. During your workout, the display will switch between 65% and 85% heart rate. If your heart rate goes below 65% or above 85%, the meter will continue to beep until your heart rate is between 65% and 85%. Of course, in order to use this program, you will need an HR chest strap.

The console uses 2 AA batteries which are included. Apart from the 7 program buttons it also has 5 function buttons. These are Start, Stop, Enter, Up, Down. Evidently, the Start button allows you to initiate your workout without. The arrow (Up, Down) buttons serve for increasing and decreasing values during target selection mode. The Enter button covers the selection/confirmation function. The Stop button allows you to totally reset the values on the console if pressed for 2 sec. If the Stop button is pressed once, the current program will end and the display will show your workout summary.

The console is powered on when you press a button and will enter sleep mode after 60 seconds of inactivity on the bike to save battery life. Last but not least, the console features a small shelf that can serve as a phone or tablet holder.

Assembly and Maintenance

The main body of the bike, including the flywheel, the drive system, and the seat post, is already in one piece. Therefore, the assembly only requires you to add the base bars, the moving arms, the seat, the console mast, and the console. This shouldn’t take more than one hour. All the tools required for the assembly are included, while the manual has detailed instructions and schematics.

For maintenance, it’s recommended to lubricate the chains periodically. However, they are pre-lubricated, so this shouldn’t be necessary for at least a few months. The fan and its casing may accumulate dust, but you can easily vacuum it from the outside, without removing any parts. Other than this, it’s recommended to keep the bike clean, keep liquids away from the console, and periodically check for loose or broken parts.

The Pros

  • Sturdy frame, able to support users up to 300 lbs;
  • Adjustable levelers on both bases;
  • Transport wheels on the front base;
  • Durable, corrosion-resistant paint finish;
  • Mobile handlebars for arms workouts;
  • Ergonomic, contoured seat, 4-way adjustable;
  • Air resistance system, great for interval workouts;
  • Dual chain drivetrain for smoother pedaling and extra pedaling difficulty;
  • Solid pedals with standard threads;
  • Fitness meter which can track 7 workout metrics, including RPM, speed, time, distance, pulse, watts, and calories;
  • Three interval programs – 10/20, 20/10, custom;
  • Four target settings for time, distance, calories, and heart rate;
  • Telemetric console;
  • Little maintenance required;
  • Easy to assemble.
  • Excellent warranty.

The Cons

  • The HR chest strap is not included;
  • The console does not have backlight;
  • A tablet placed on the shelf of the console will cover the console display.


The Body-Solid Endurance FB300B is an air resistance exercise bike featuring a 27″ fan, and a sturdy steel frame with a capacity of 300 lbs. It’s equipped with a HIIT, programmable console. It offers superior ergonomics and micro-adjustability. It’s a great bike for high-intensity cardio workouts, interval training, muscle toning, endurance gain, and weight loss. It’s not one of the most affordable air bikes but does offer an excellent value for the price.

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