Sunny Health & Fitness SF-B2706 Exercise Fan Bike

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Sunny SF-B2706

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330 lbsAirRPM,
Frame: 3 years
Parts: 90 days

The SF-B2706 is one of the newest exercise bike models from Sunny Health & Fitness for 2017. It’s technically an upright bike, but as the title suggests, it uses air resistance not magnetic. It’s similar in specs to the Schwinn Airdyne AD6 but features a 4-way adjustable seat.

As opposed to magnetic exercise bikes, such as the Endurance B2U from Body-Solid for example, this Sunny bike offers the possibility to undergo a more intense cardio workout as its handlebars are mobile. Also, this exercise bike comes with a pretty decent console for the price.

Technical Details and Specifications

  • Assembled dimensions: 56L x 23.5W x 49.25H inches (142L x 60W x 125H cm)
  • Assembled weight: 94 lbs (42.6 kg)
  • Supported weight: 330 lbs (150 kg)
  • Handlebars: Mobile
  • Seat: 4-way adjustable
  • Drive: Chain
  • Resistance: Air
  • Fitness meter: Time, speed, distance, RPM, calories, watts, pulse, goals, 3 interval programs, Bluetooth
  • Warranty: Frame 3 years / Parts 90 days

Frame construction

The Sunny Health & Fitness SF-B2706 exercise fan bike features a steel-made frame, offering quite a sturdy construction and riding feel. The only PVC parts in its construction are the crank and chain guards which do not reduce the overall sturdiness of the bike. All the steel parts are coated with corrosion resistant paint, with the exception of the seat slider and upright post, which are chrome coated. The paint on the bike is light gray, this being the only color available at least for the moment.

Although it’s a bit larger than other upright exercise bikes, the Sunny SF-B2706 still isn’t a very large fitness machine. It takes considerably less space than a treadmill or an elliptical trainer, such as the Yowza Daytona or AFG 5.9AE, for example. When fully assembled, the bike is 56″ (142 cm) long and 23.5″ (60 cm) wide. The recommended workout area is approx. 80″ x 48″ (203 x 122 cm). This being said, it can be an excellent choice for a fitness machine if storage and usage space are an issue.

Considering that it has a frame completely made of steel tubing, this Sunny Health & Fitness exercise bike is not exactly the lightest. When fully assembled, it weighs approx. 94 lbs (42.6 kg), which is at least two times more than the average mountain bike. However, for a fitness bike, this is actually a plus, as it results in excellent stability. So, differently put, you can be sure that it won’t rock during your exercising routines. Also, its stability is enhanced by the rear adjustable levelers; the front base tube is also equipped with rubber pads which improve its “grip” onto the floor.

This exercise bike is not foldable. However, its front base is equipped with a set of wheels which facilitate its relocation. If you use the wheels to transport it from a place to another, you will basically have to lift and handle only half of its total weight.

One last aspect to mention here regards the front foot pegs characteristic to most exercise bikes with mobile handlebars. This bike has this feature as well, giving you the possibility to rest your feet on these pegs if you only want to exercise by using your arms.

Seat and handlebars

As we’ve mentioned above, the Sunny Health & Fitness SF-B2706 exercise bike is equipped with a 4-way adjustable seat. You can also slightly tilt it backward if you want. Its horizontal slider allows for a 16″ – 39.6″ (40 – 100 cm) distance span between one handlebar and seat axis. Its upright post offers an adjustment span between 29.5″ and 42″ (75 – 106 cm), while the distance between the seat and the front foot resting pegs can vary between 30″ – 41″ (76 – 104 cm).

This being said, the bike can accommodate users between 5’0″ and 6’5″ (153 – 195 cm), and up to 330 lbs (150 kg). But as a general idea, shorter users may find the arms stretch during the usage of the handlebars, a bit uncomfortable. This can be remedied, though, by adding grip extensions to the handlebars.

The included saddle offers optimal comfort for an upright bike. It’s not exactly the widest you can find, but still, it is considerably wider than the average spin bike seat. It integrates a decent layer of padding and features a longitudinal groove to promote a healthy circulation. It’s connection point to the slider is standard; therefore, if you will ever need to replace it, compatible options are widely available.

The bike’s handlebars are simple bars curved outward and finished with rubberized grips. Since it’s a fan bike, they’re mobile and synchronized with the movement of the pedals. In case you’re wondering, you cannot lock the handlebars in order to remain fixed. They will continue to move as you pedal. However, you can rest your feet on the front pegs if you only want to exercise by using the handlebars.

The handlebars are non-adjustable. However, the seat does feature large knobs that are very easy to grip, turn and lock, in order to facilitate a quick adjustment.

Drive and resistance

The Sunny Health & Fitness SF-B2706 upright fan bike is equipped with a chain drive. This comes with two main advantages: one, the chain is considerably more durable than a belt, and can last a lifetime with proper care; two, it’s basically a standard bike chain and you can easily find a replacement for it if it’s the case. The main downside of it is that it requires lubrication from time to time.

The bike features a very solid crankset with steel crank arms. The pedals are very basic, though, without foot straps or clips for SPD shoes. The crankset is solid enough to support the user in standing up pedaling sessions, but since this is technically an upright bike and not a spin bike, spin workouts are not recommended.

As the title suggests, this Sunny Health & Fitness exercise bike features an air resistance system. The primary resistance generating element is the large, 25″ (63 cm) fan placed at the front of the bike. The resistance generated by it is proportionally increased with your pedaling and handlebar movement speed. To put it differently, the faster you pedal, the higher the resistance the fan will produce.

In case you’re wondering, there isn’t any damper, such as the for Concept2 Model D rower for example, or any other resistance adjustment element. So, the overall resistance of the bike cannot be adjusted. It depends solely on your pedaling speed. This being said, if you want more resistance and a more intense cardio training, you will have to pedal and/or move the handlebars faster.

As a general idea, the resistance supplied by this exercise bike promotes light to medium workouts. It’s a great exercise bike for interval workouts. In fact, the console features three distinctive interval workouts to undertake, in order to achieve your desired levels of fitness.


The console unit supplied with the Sunny SF-B2706 exercise fan bike offers quite a bit more than the average basic unit. First of all, it has a multi-panel LCD display which indicates time, total time, distance, calories, pulse, watts, speed, and RPMs. The bike does not have any EKG sensors, but the console unit is compatible with Bluetooth HR chest strap transmitters.

The console is programmable. It features three main interval programs: 10/20 Interval, 20/10 Interval, and Custom Interval. It also has functions for setting a target for time, distance, calories, and heart rate. So, when using it in manual mode, the values will go up as you exercise, but if you select a specific target for distance, for example, it will count down from the selected target distance until it reaches 0. The same goes for time and calories. As for heart rate, 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%.

The console unit is very easy to operate. It has buttons for the Target functions and for each interval program. The arrow keys on the lower part allow you to increase/decrease a value, while the Enter key covers the selection function. The Star/Stop keys allow you to pause and resume your workout without losing your progress.

The unit is battery powered. It uses 2 AA batteries, which are included.

Assembly and Maintenance

The flywheel-fan, the drive elements, and the crankset are already attached to the main frame. Therefore, the assembly requires you to attach the base tubes, the seat, the pedals, the console mast and the handlebars. This shouldn’t take more than an hour. The manual provides pretty clear assembly instructions.

For maintenance, you will have to lubricate the bike’s chain periodically. Other than that, it’s recommended to check for loose bolts or parts from time to time.

The Pros

  • Sturdy and stable frame, able to support users up to 330 lbs (150 kg);
  • Aesthetic design, aspect that can serve as a good motivation factor;
  • Adjustable levelers on the rear base;
  • Transport wheels on the front base;
  • Mobile handlebars for arms workouts;
  • Ergonomic, contoured seat, 4 -way adjustable
  • Air resistance system, great for interval workouts; 
  • Fitness meter tracking 7 workout statistics, including RPM, speed, time, distance, pulse, watts, and calories;
  • Three workout programs;
  • Target settings for time, distance, calories, and heart rate;
  • Telemetric console;
  • Little maintenance required;
  • Easy to assemble.

The Cons

  • HR chest strap transmitter not included;
  • Not a very quiet fitness machine, but not extremely loud either.

Bottom Line

The Sunny Health & Fitness SF-B2706 is an upright exercise bike designed for light to medium cardio workouts. It’s equipped with an air resistance system and due to this fact, it’s great for interval cardio training. In fact, it’s a fitness machine great for cardio workouts, toning arm and leg muscles, building stamina, and of course, for losing weight. You can actually burn up to 5-600 calories per hour with this bike. It features a solid construction, and high-quality internal components. It’s not exactly one of the most affordable fitness bikes, but considering that it’s a model made to last, it’s definitely an excellent investment for anyone who wants to stay fit.

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