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Sunny Health & Fitness Magnetic Rear Belt Drive Indoor Cycling Exercise Bike with RPM Cadence Sensor - SF-B1709, Black

4.2 4.2 out of 5 stars 902 ratings

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About this item

  • MAGNETIC BELT DRIVE RESISTANCE: Enjoy 13 levels of magnetic resistance for quick and reliable changes. Experience a smooth ride with increased magnetic field resistance, low maintenance, and virtually silent operation, ensuring a stable exercise experience.
  • DIGITAL DISPLAY: The robust multifunctional digital display records speed, average speed, max speed, cadence/rpm, average cadence, max cadence, distance, calories, race, and time. Measure your cadence using the RPM function on the monitor.
  • AVERAGE CADENCE AND MAX CADENCE: Monitor your average and max cadence to meet your training goals as you move through the 13 levels belt drive magnetic resistance system. Track and maintain a preferred cadence at a wide range of speeds and resistance changes.
  • ERGONOMIC PULSE SENSORS: To ensure that you work out your specific needs, the SF-B1709 Indoor Cycle Bike comes equipped with ergonomically positioned pulse sensors that transmit your pulse rate to the digital monitor.
  • BOTTLE HOLDER: Hydrate with ease during any point of your workout with the convenient drink holder. Proper hydration is critical to optimal performance during long intense rides.

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Product Description

Sunny Health & Fitness Magnetic Belt Rear Drive Indoor Cycling Bike
Sunny Health & Fitness Magnetic Belt Rear Drive Indoor Cycling Bike

PERFORMANCE MONITOR

4-WAY ADJUSTABLE HANDLEBAR

BOTTLE HOLDER

ADJUSTABLE 13 LEVEL MAGNETIC RESISTANCE

PERFORMANCE MONITOR

The SF-B1709's robust multifunctional advanced displays: Speed, Avg Speed, Max Speed, Cadence, Avg Cadence, Max Cadence, Distance, Target Distance, Calorie, Race, Time, Target Time, Pulse

4-WAY ADJUSTABLE HANDLEBAR

To ensure that you workout to your specific needs, the SF-B1709 comes equipped with a 4-way adjustable handlebar

BOTTLE HOLDER

Hydrate with ease during any point of your workout with the convenient drink holder. Proper hydration is critical to optimal performance during long intense rides.

ADJUSTABLE 13 LEVEL MAGNETIC RESISTANCE

Switch up the intensity of your workout with the convenient multi-control resistance switch.

Magnetic resistance system provides a smooth responsive ride by increasing the magnetic field resistance over the flywheel.

4-WAY ADJUSTABLE SEAT

DUAL CLIP-IN/CAGED PEDALS

PULSE SENSORS

TRANSPORTATION WHEELS

4-WAY ADJUSTABLE SEAT

The 4-way adjustable seat paired with a maximum inseam range of 39" inches create a fully adaptable riding experience for users of different sizes.

DUAL CLIP-IN/CAGED PEDALS

Textured non-slip foot pedals will accommodate all sizes, while the remaining grip will ensure safe footing. optional clip-in pedals attach your riding shoes directly to the pedal.

PULSE SENSORS

Measuring your pulse rate is an important fitness metric. The more steady and prolonged the elevated heart rate is during the workout, the more fat is burned.

TRANSPORTATION WHEELS

Simply tilt and roll out for use or away for storage. No need for heavy lifting or muscle strain.

CADENCE SENSOR FOR SUNNYFIT APP
CADENCE SENSOR FOR SUNNYFIT APP

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Sunny Health & Fitness Magnetic Rear Belt Drive Indoor Cycling Exercise Bike with RPM Cadence Sensor - SF-B1709, Black


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Customer reviews

4.2 out of 5 stars
4.2 out of 5
902 global ratings

Customers say

Customers like the sturdiness, noise, comfort, value, and adjustability of the stationary bicycle. For example, they mention that it's perfectly capable of handling whatever they dish, the seat is comfy, and that pedaling feels much smoother. Some appreciate the adjustability, saying that the fore and aft bars are perfect. They also like the performance. That said, opinions are mixed on stability.

AI-generated from the text of customer reviews

186 customers mention146 positive40 negative

Customers like the sturdiness of the bicycle. They say it's quiet, has good resistance, and is perfectly capable of handling whatever they dish. The bike is packed well and the critical parts are protected. It has 13 levels of resistance, so it places no strain on fragile knees. Customers also say that the instructions are well written and detailed.

"...Hubby and I aren't light-weights, but the bike feels perfectly capable of handling whatever we dish out to it. Also, it was very easy to assemble...." Read more

"...Putting it together was a breeze - well written, highly detailed instructions written in English (not translated by someone from another language)...." Read more

"...and cuts in the box, but the bike is packed well and the critical parts protected...." Read more

"...Very solid, heavy construction similar to what you'd expect from a "gym quality" unit and other brands costing triple what I paid...." Read more

159 customers mention113 positive46 negative

Customers like the noise level of the bicycle. For example, they mention it's very quiet and that magnetic is quieter with less maintenance.

"...It rides incredibly smoothly, silently and is very comfortable. It accommodates tall, big people...." Read more

"...It is whisper quiet, the resistance adjustments are perfect and seamless, and this is a solid, sturdy bike...." Read more

"...I did this twice. Radio silence. I finally googled and found another video of theirs for removal of the crank arm...." Read more

"...on startup, but it worked itself out and now rides very smooth and quiet." Read more

85 customers mention75 positive10 negative

Customers like the comfort of the bicycle. They say the seat is comfortable, and the ride is smooth. They also mention that the bike is sturdy, stable, and balances under fast pedaling.

"...This thing feels good and sturdy. Hubby and I aren't light-weights, but the bike feels perfectly capable of handling whatever we dish out to it...." Read more

"...'s drop handlebars, simulating a road bike (very rare) and a very comfortable seat. This is a solid, well built bike that rides like a dream...." Read more

"...bump in the cowling on startup, but it worked itself out and now rides very smooth and quiet." Read more

"...The magnetic resistance and belt drive are fantastic. Whisper quiet, super smooth and the on-the-fly resistance adjustment makes workouts much more..." Read more

74 customers mention53 positive21 negative

Customers like the adjustability of the stationary bicycle. They mention that it's extremely adjustable, easy to adjust, and has a forward and reverse adjustment. They appreciate the 4-way adjustment of the handle bars, not only up and down, but also forward and backward. The adjustment knobs do their job well, and the tolerance and fit are good.

"...All of us fit this bike properly. There are lots of ways to adjust it to your comfort level and for what you will be doing...." Read more

"...It is whisper quiet, the resistance adjustments are perfect and seamless, and this is a solid, sturdy bike...." Read more

"...Once setup, adjustments were easy. I measured off one of my regular bikes and set the spin bike up as close as possible...." Read more

"...I was thrilled to be able to exercise at home. There was a tiny hitch - a tiny bump when the wheel turned - but it did not get in the way of my ride..." Read more

69 customers mention62 positive7 negative

Customers like the value of the bicycle. They say it's well worth the price, a reasonable priced high quality alternative to the Meister, and a solidly built bike for the price.

"Overall this is a very good product for the money, as determined by my research...." Read more

"...The combination of magnetic resistance and belt drive at this price point is unbeatable." Read more

"...I was swayed by the reasonable price and the lightweight flywheel. The bike arrived relatively quickly and was easy to assemble...." Read more

"...If you don’t want to spend 1000+ this is the bike for you! It’s mid-ranged in price and can do just about as good as other top of the line models..." Read more

68 customers mention49 positive19 negative

Customers like the performance of the bicycle. They mention that it works fantastic, serves them well, and is usable. The monitor does its job, and the seat is comfortable. Some say that the bike is excellent and well suited to any workout style. Overall, customers are satisfied with the performance and functionality of the product.

"...The health monitor on this bike is functional, if rudimentary. I might look into a better monitor. Or maybe not...." Read more

"...It worked well out of the box. My old Universal lasted 18 years and finally gave it up with a bad freewheel bearing that is not replaceable...." Read more

"...In the meantime, I have a completely unusable machine and no response from the company.I do not recommend this company...." Read more

"...the-fly resistance adjustment makes workouts much more realistic and enjoyable...." Read more

40 customers mention13 positive27 negative

Customers are mixed about the stability of the bicycle. Some mention that it feels completely solid, nothing shakes, and does not move when they ride it. They say it's very easy to move and has no odd vibrations or knocking. However, other customers say that it wiggles loose with in 10 to 15 minutes. They also say the seat can loosen a little over time and the shoes slide a bit making them feel uneasy.

"...This slight wobble is a first for me and needs a redesign on how it locks in. The platform should be rock solid from top to bottom...." Read more

"...it, there have only been a few little issues - squeaking, clicking, loose pieces...." Read more

"...are nice, the unit has good weight to it, it's extremely stable, no squeaks/flexing, etc...." Read more

"...many efforts to tighten before during and after use the seat will not stay in place...." Read more

Smooth, quiet and sturdy.
5 Stars
Smooth, quiet and sturdy.
Yes, I mulled over several spin bikes, so I'm aware of how important these reviews can be in the decision process. Looked for new and on Craigslist, refurbished, etc. Almost got either the Peloton, Echelon, Bowflex C6 a refurbished Keiser and the Schwinn ic4. But, during my constant obsessed reviewing process, and having taken several spin classes, I narrowed my desires to 5 things: Sturdiness. Noise level. Price. Price. Speed of delivery.Sturdiness was based on the weight the machine could hold. I'm 5'10, 200lbs, but I know I can be gentle and then gorilla-is so the bike had to be strong.Noise Level. Although I have it on my patio, and where I live is a bit noise isolated already, I dont like to hear any fitness machine Im working on.Price. I wanted to feel like what I was paying for was a bargain and comparable to many higher end bikes.Price. I didn't want to spend money on something I'd also use in a gym and Amazon had a special monthly payment thingy that made it a cool way to pay for the bike.Speed of delivery: Although when I initially ordered it, it was supposed to get to me in five days which changed to two weeks due to Covid-19 issues, it was still faster than any other of those bikes outside of the refurbished ones off Craigslist. And I was really impatient. Had Bowflex or Schwinn said I can have it in less than a week, I'd prob went with one of them.Conclusion: This bike is really cool. It's only been a month so keep that in mind when reading this. But it is sturdy, really really quiet, and you can sway left to right without worry. I not sure if I'd get this if I were taller than 6'2" with long legs because I think it may be a leg issue problem. Not sure. The bike was really easy and simple to assemble (less than 45 mins) and it took longer taking it out of the packaging than assembling. I place my iPad on the bars (bars have a nice, soft yet sturdy feel) as you can see and the case has a strap that holds it around the bar. I tried a clamp/ipad holder but didnt like placement. Prob easier to just watch tv or something. There is good resistance although changing levels is ehhh especially when in climbing mode because it takes a bit dexterity to lean down and increase or decrease tension. The pedals are cool (only used cages so far) and will prob get shoes with clips soon. The ones I have need SPD to fit and I dont like em anyway so Im not gonna use em. The monitor is ok. I use the it for cadence and compared my Heart rate to my Apple Watch. The magnetic resistance is smooth and I dig it. The bike could use a brake though but since the pedals are so fluid, stopping is simple. The bike is actually nicer and more professional looking in person. I know its hard to tell buying online, and if you haven't rode the one youre reviewing, its hard to know. I had never heard of Sunny until I start looking for a bike and I was biased towards Schwinn, Spinning, and all the other name brands. I still am, but after purchasing this, I'm glad I was open to it. I started using the Peloton app, but now use other spin cycle youtube videos. Since I am a trainer, I kinda can create my own workout, and some of the coaches on those workout apps talk way too much (for my taste) but I'm sure many will find that helpful and motivational. All in all, I say do it and if you are gonna get a bike for use 2-4 times per week, invest in one that can accommodate at least 50lbs above your weight, is quiet, and you'll get your money's worth (2x/week x $20 spin class)=$1920yr. Imagine that.
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Reviewed in the United States on February 5, 2021
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Reviewed in the United States on December 15, 2020
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Top reviews from other countries

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MR R HINGSTON
5.0 out of 5 stars Nice and smooth for bad knees
Reviewed in the United Kingdom on August 28, 2023
Graeme Jack
5.0 out of 5 stars Great bike for the price
Reviewed in Canada on November 9, 2020
2 people found this helpful
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José Luis Meneses Elizalde
5.0 out of 5 stars Buen producto
Reviewed in Mexico on February 26, 2021
Rosie
5.0 out of 5 stars Quiet and well built
Reviewed in the United Kingdom on May 11, 2023
Robert Eagle
4.0 out of 5 stars Pleased with this purchase.
Reviewed in Canada on October 27, 2020
4 people found this helpful
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