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Sunny Health and Fitness Magnetic Under Desk Mini Bike Pedal Exerciser

(3 customer reviews)
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  • LOW IMPACT: This under desk bike is a great way to incorporate lower body movement without putting pressure on joints. Enjoy a 7-inch stride while you’re seated at work.
  • SMOOTH OPERATION: The Belt-drive mechanism and the 3.52lbs flywheel makes each stride simple.
  • EASY TO STORE: Measuring 20.5 inches long and 10.5 inches tall, this mini exercise bike is easy to store and use under a desk or table. Use the integrated handgrip to pick up the machine. Weighing just over 19lbs, you’ll be able to move it anywhere.
  • MAGNETIC RESISTANCE: Bump up the exercise intensity in a matter of seconds as you cycle through 8 levels of magnetic tension. Each level makes it progressively harder to complete a stride, which makes it where you can burn more calories.
  • 2-IN-1 DESIGN: Switch up your exercise when you use this machine on a desk-level surface. Engage muscle groups in your upper body as you pedal forward with your arms.

Specification: Sunny Health and Fitness Magnetic Under Desk Mini Bike Pedal Exerciser


‎Sunny Health & Fitness

Product Dimensions

‎16"D x 20.5"W x 10.5"H

Item Dimensions LxWxH

‎20.5 x 16 x 10.5 inches

Maximum Height

‎26 Centimeters

Minimum Height

‎52 Centimeters

Item Weight

‎19.1 Pounds

Resistance Mechanism



‎Alloy Steel

Power Source

‎Battery Powered

Maximum Weight Recommendation

‎220 Pounds

Number of Resistance Levels


Drive System




Package Weight

‎9.57 Kilograms

Item Package Dimensions L x W x H

‎23.3 x 14.5 x 8.2 inches

Brand Name

‎Sunny Health & Fitness

Warranty Description

‎1yr, 180 day Manufacturer Warranty

Model Name


Suggested Users


Number of Items



‎Sunny Health & Fitness

Part Number


Model Year




Included Components

‎Exercise Bike, User Manual, Hardware, Tool, (1) LR44 Battery

Sport Type

‎Exercise & Fitness

3 reviews for Sunny Health and Fitness Magnetic Under Desk Mini Bike Pedal Exerciser

3.7 out of 5
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  1. Madison the Cat’s Mom

    Update 12/9/2019

    I have been using my bike for almost 6 months and I wanted to update a few things:

    Battery Life for display:
    Batteries that came with it lasted for 660 miles
    2- AAA Duracells lasted for 518 miles
    Caveat – When I first had the bike, when not pedaling I just rested my feet on the pedals. Now, I keep my feet on the pedals and rock back and forth a lot more now which keeps the display on without adding any miles. I also changed the batteries as soon as the display got dim so I would not lose my stats midweek.

    Another idea for the still lame display: The time function show minutes and seconds, when it gets to 99:59 it then resets to 0. As I usually keep my stats accruing for a week, it would be so much nicer if when it gets to 59:59, it would switch to hours:minutes and keep going.

    Mechanical update: After cycling for almost 1200 miles, the bike has not made that clicking in noise in a long time. Probably 2 months. Still super smooth and quiet. However, the plastic strap on the right pedal keeps popping off on the outside.

    Also, I have changed the way I keep my castered chair from rolling away. Before I used “bed and furniture stoppers,” but once dust accumulates under the rubber, they no longer stay. I cleaned them a half dozen times and they stuck for a while after each cleaning. I finally just got 2 velcro straps that go around the front support and then around the front 2 wheels and it works a lot better.

    So all in all, I still LOVE this bike. In the 6 months I’ve had it, I’ve burned 29,000 calories while sitting at work and my leg muscles are pretty strong.

    I love using my bike at work. I do not know how accurate the measurements are, but by biking off and on during the day, it says I burn about 500 calories. I have racked up 660 miles since I got it June 1st (almost 3 months).

    The display has an upper and a lower number. I have no idea what the upper number shows. The bottom number cycles through: Distance, Calories, Odometer, RPM, and Time. Apparently if you buy your bike in the US, units are in miles. You can reset the values by holding the button for 3 seconds. By pressing the button you can also cycle through the options and choose one to stay on instead of scanning.

    – so smooth to peddle. Very rarely there is a bit of a click as I peddle, but by shifting my angle it goes away. I can peddle while typing and using my mouse very well. When I need to do very careful adjustments with my mouse I have to stop. My swivel office chair does move side to side a bit when I peddle, but I am sure that is good for your core strength and is not distracting after you get used to it.
    – quiet. My coworker right next to me cannot hear it. My chair makes more noise rotating side to side a bit. I keep a can of WD-40 for my chair at my desk for it.
    – comfortable. Even while not pedaling, I like to keep my feet on the pedals – I find I naturally do this every time I sit. Sometimes I just rock the pedals forward and back as a kind of fidget device.
    – I can peddle backwards and it still counts towards miles. WARNING, peddling backwards may loosen the peddles, so I do this infrequently and have never had a problem.


    – the display upper number. I have no idea what the upper number shows, So it is pointless.
    – the display does allow you to pick a setting to stay on, but each time you stop pedaling (if I’m on the phone or doing careful work with my mouse) it resets to scan. I would love to be able to have the top number be set on something and stay that way since it does not seem to have any use.
    – the display has faded over time and now I cannot see it at all. If I shine my cellphone light from the side, I can see the readout, but that is a pain. ***Update: The display quit working altogether the day after I wrote this and I realized my batteries had been dying and were now dead. I use it a lot but I would think 2 AA batteries would work longer than 3 months. Maybe the ones that came with it were really cheap. I’ll see how long a couple of Duracells last.
    – did I mention the display? feels really cheap compared to the solidly built bike.

    There is a problem if your office chair is on casters of rolling away from the bike. I have seen that some people will attach a strap of some kind to the bike and chair. I have purchased a “Bed and Furniture Stopper” 4 devices that keep my chair wheels in place – I wish there were 5, but came in packs of 4. It works pretty well. though I do have to adjust them once in a while. To keep the bike from moving back, I cut a 2×6 to the perfect length to wedge between the bike and the wall. It stays put very well. Even though the bike is fairly heavy, there is no way to keep it from moving over time without a block of some kind.

    So in summary, I love the bike mechanics, hate the display. Since the bike function is by far the more important aspect I only took 1 star off from the awful, awful, display.

    I hope this was helpful.

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  2. Jon Swanson

    I have a work from home job that requires me to stay at my desk while active. So I bought this to keep my legs health, give them exercise. I just used it on my first work day for a total of 40mins (gotta do better). It’s super easy to put together, I didn’t even need to glance at the instructions. Once I set up I tried it. It’s petals are very comfortable to use bare foot. It’s not noisy at all, my squeaky chair makes more noise.

    It uses a mechanical magnetic system for the resistance which will help it last years. This is a great buy for people in similar situations, those that need to keep their legs active but sit all day. I recommend this.

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  3. sanddollars

    3/29/18 update:
    Went from 5 stars to 2 stars after nearly 1 year..

    -1 star for the following: after almost 1 year of constant use in a corporate desk job setting, one of the pedals (right side) started giving out. Found out that the threads on the pedal attached to the frame are getting stripped since I saw a bunch of shiny dust on the floor that came from this. This is due to normal wear and tear. I have been using the other brand $150 DeskCycle for about the same amount of time at home. That one is still working well just like brand new.

    -1 star: Wrote to the vendor inquiring about warranty. The product falls under a 1 year warranty for the frame according to the PDF linked in the Amazon listing description, so naturally, mine would be up in June. Read the terms. Got the typical “we have a high volume of calls” automated response. Apparently my issue falls under their “within 90 days” purchase category. They emailed me back within a day stating that I have to pay $15 to get a replacement pedal part. The issue isn’t the pedal part that you have to screw in, but the actual screw thread part that is on the frame.

    -1 star for the following: After a year of use and getting adjusted between the DeskCycle and this, I realize that the major difference is the height at which you are cycling at. This does not have that much of a clearance with your knees hitting your desk and as a short small person, I still keep hitting my knees on the desk and setting my chair really far back (about 2 feet away from my cycle) and strapped to the cycle. I have to adjust this literally EVERY day I come into work to feel decently comfortable.

    This being said, I went from a 5 star rating to a 2 star rating. Get the more expensive $150 deskcycle bike. It’s much more worth it in the long run.
    Originally written June 2017:

    I was not sponsored for this review, I bought these for my own good because I now have no excuses for not moving.
    I purchased the DeskCycle and this bike. When I did a search for “desk cycle” the DeskCycle and this were the first two that came up. I did some extensive research to see if this was worth getting instead of a walking treadmill desk. The price difference between a walking treadmill desk and an under desk bike is HUGE and each setup has its own pros and cons… but if you don’t have that big of a budget to afford a treadmill desk to work out while on the computer… the under desk cycle is great!

    I use the DeskCycle for home ( I spend lots of time on the computer after work, I’m also a PC gamer!), and the Sunny Exercise Bike at work (I work full time).

    Things to consider:
    If this is your first time setting up a bike under your desk, it is NORMAL to have to make desk/chair adjustments because you need to make sure you have a comfortable and ergonomic setup or your back can get strained over long periods of time.

    My dimensions:
    I’m 5 feet 1″. I compared using this against my 6′ husband and he didn’t seem to like it. He’s picky about his desk setup and with his stagnant and stationary setup he likes the way his desk is currently setup. With the under desk bike he would have to make major adjustments and raise the desk because his knees kept on hitting the desk. I could imagine taller people than me would have this issue but it is NORMAL to make desk adjustments if possible to accommodate for this desk bike device.

    – Very quiet
    – Easy and quick to assemble (it took me less than 30 minutes)
    – Well packaged out of the box
    – Sturdy pedal straps, Straps are permanently attached to the pedal and are adjusted via velcro
    – LCD monitor is removable and can be extended to be placed on top of a desk for display
    – When setup properly my knees don’t hit the desk
    – You can and will break a sweat while using this, at least I did (resistance set to 2 and I’m at “20”+mph? if I’m reading this correctly)
    – No weird pungent factory smell (see below) out of the box

    – When first using the bike I found it difficult to concentrate on whatever I was doing on the computer, but after a day or two of constant use you get used to it
    – No handle for easy transportation if needed
    – Not really sure what the LCD units of measurement are, it’s not super clear

    Sunny Mini Exercise Bike (cheaper than the DeskCycle)
    – has a handle for easy transportation
    – Pretty much what I mentioned about the DeskCycle with some minor differences
    – Easy setup, less than 30 mins out of the box
    – Very quiet, my coworkers sitting next to me don’t even notice nor hear a thing when I start pedaling

    – It smells like hardcore factory smell out of the box. Similar to walking into Harbor Freight.
    – LCD screen is not removable
    – The pedal straps don’t look as sturdy as the DeskCycle straps. They can detach from the pedal and over time it can rip from overuse. It’s a rubbery material. Straps adjust similar to putting a watch tab in different holes.

    – Sunny Exercise Bike pedals are slightly higher off the ground than the DeskCycle
    – Sunny’s LCD screen is not removable, you only display it from the front. (DeskCycle default is from the back)
    – DeskCycle includes a long velcro strap to tether your rolling chair to the bike, Sunny does not
    – Sunny has a handle for transportation, DeskCycle does not
    – My observation between the two…. the DeskCycle has a more rigid construction than the Sunny Bike. DeskCycle has more comprehensive instructions than the Sunny Bike does.

    – With either one you still need to set up your desk/chair as ergonomically as possible
    – Both of these force you to sit up straight
    – You should take a break after a long period of cycling nonstop every once in a while unless you want some slight lower back pain and sweat at work
    – The measurements between the two appear to be very close to each other when looking at the LCD screen using the same resistance and energy force on your legs
    – With a good diet and using this, you will lose weight. So far I have in 1 week, maybe about a 1lb or two. Results will vary.

    Conclusion: This all being said and considered, the price difference is quite big and it all comes down to personal preference to which device you’d rather get. To achieve the same goal of fitness and maybe weight loss, both devices pretty much do the same thing with the same important main features. If you’re on a super budget, I’d get the Sunny Bike. If you want something that’s a little seemingly sturdier with extra features (i.e. removable LCD screen), then get the DeskCycle. If you want a home/work setup, heck, get two of these Sunny Bikes.

    Extra bonus stuff for fun:
    – I strapped a Fitbit watch 

    Fitbit Blaze Smart Fitness Watch, Plum, Silver, Small (US Version)

     to my left foot and it still measures steps while using these two desk bikes…. I left it on and it registers as either walk or elliptical when looking at my Fitbit dashboard!

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