Nautilus​ ​U614​ ​Upright​ ​Bike Review

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This is one of the top rated mid-range upright bikes out there, and it is for good reason. The Nautilus U614 Upright Bike comes with a whole lot of magnetic resistance, lots of user programs, a high level of durability and comfort, and lots of extra features too. This model would do a great job for people of all fitness levels.


If you would like to find out a little more information about the Nautilus U614 Upright Bike, you can take a quick look at the overview video shown below.


Main Features

Being one of the top rated mid-range upright bikes, the Nautilus U614 Upright Bike has quite a few different features that are all worth mentioning in one way or another.

  • 20 levels of magnetic resistance
  • Resistance is digitally controlled
  • High inertia flywheel for smoothness
  • 22 workout programs
  • Nice dual track LCD display – easy to navigate/read
  • Data transfer via USB to Nautilus Connect fitness app
  • Integrated handlebar heartbeat sensors
  • MP3 input port with acoustic chambered speakers
  • Comes with a media tray
  • Adjustable fan for comfort
  • Padded seat – adjustable
  • Has a water bottle holder
  • 300-pound user weight capacity

Dimensions & Weight

Surprisingly enough, while the Nautilus U614 Upright Bike is one of the top-rated mid-range models out there, it is not actually that big or heavy. It does not fold in half or anything, but the overall size is fairly compact, plus it does not weigh too much either. This makes the Nautilus U614 Upright Bike fairly easy to move around, assemble, and it won’t take up all that much room either. It is heavier than most entry level models, but in terms of mid-range ones it is about average.

  • Length: 41.8 inches
  • Width: 21.6 inches
  • Height: 57.6 inches
  • Weight: 68.1 pounds


The Nautilus U614 Upright Bike comes with a pretty good warranty. It includes a 10-year warranty on the frame, a 2-year warranty on the parts, a 1-year warranty on the electronic components, and a 90-day warranty on labor.


The Nautilus U614 Upright Bike is fairly easy to assemble and should take you no longer than one hour. If you have someone helping you, it should be doable in around 40 minutes. Everything needed for assembly is included in the package, plus the instructions are fairly straightforward and easy to follow. You can always choose to get expert assembly in your home for an extra fee. If you would like some more help with assembly, you can always check out the assembly video below.

What We Like About The Nautilus U614 Upright Bike

There are a number of neat features which the Nautilus U614 Upright Bike comes with that are definitely worth spending some time talking about.

One of the things that we really like about the Nautilus U614 Upright Bike is that it has more than enough resistance to suit even the most advanced fitness buffs out there. It features magnetic eddy current resistance, 20 levels of it to be exact. You can set it to a very light level or you can set it right to level 20 and see how far you get. The resistance is easily controlled with the digital display for quick adjustments. The Nautilus U614 Upright Bike features a high inertia and high-speed flywheel which helps maintain smooth momentum, plus it makes this model very quiet and consistent too. When it comes to magnetic resistance for an upright bike, this is probably about as good as it gets.

Another thing that is quite impressive about the Nautilus U614 Upright Bike is that it comes with a full set of 22 workout programs for you to choose from. This makes it easy and fun to accomplish various fitness goals that you may have. The Nautilus U614 Upright Bike comes with 1 quick start program, 9 profile programs, 8 heart rate programs, 2 fitness tests, and 2 custom programs. Whatever your goals or needs are, these programs should be able to help you accomplish them.

On a related note, all of those programs and settings can be selected from the dual track LCD display. This display is very high-quality, big, bright, and easy to read in most lightings situations. The quick touch digital controls let you select the settings easily, plus there is more.

This display features USB connectivity to your smart devices so you can transfer data to the Nautilus Connect fitness app or the MyFitnessPal app too. This will allow you to keep accurate track of your workout performance from one day to the next. Besides that, the display will tell you things like distance, time, calories, speed, and more. It can even tell you what your current heart rate is thanks to the integrated heartbeat sensors in the handlebars.

Another thing we like is that the Nautilus U614 Upright Bike is clearly built for comfort and versatility. It comes with a really well-padded and ergonomically designed seat to keep your behind as comfy as can be. Also, the seat is adjustable for height in order to suit various sized users. In terms of comfort, the handlebars are also pretty good seeing as they are covered in foam padding. The same can be said for the pedals which are pretty high-quality, have a good non-slip pattern, plus safety straps too.

Finally, we really like how the Nautilus U614 Upright Bike comes with a few nifty extras. The MP3 connectivity combined with the acoustic chambered speakers allows you to listen to your favorite tunes while biking. There is also a media tray included so you don’t have to hold your devices the whole time. Moreover, to keep you cool and comfortable, there is also a 3-speed fan as well as a water bottle holder included with the Nautilus U614 Upright Bike.

What We Don’t Like About The Nautilus U614 Upright Bike

There are a couple of issues with the Nautilus U614 Upright Bike that need to be mentioned, so let’s do that right now.

One thing that several others including ourselves have noted is that the Nautilus U614 Upright Bike has fairly narrow pedals with small straps. If you happen to have slightly larger than normal feet, you might not be able to fit them into the straps.

Something else that tends to happen after prolonged use is that the pedals of the Nautilus U614 Upright Bike start making a clicking noise. This can get pretty annoying.

Alternatives To The Nautilus U614 Upright Bike

To give you a bit of a comparison point, let’s take a look at some of the alternatives to the Nautilus U614 Upright Bike.

Fitness Reality 210 Upright Exercise Bike

This is a good alternative to consider no doubt. It actually has 4 more levels of resistance, but on the other hand, it has 1 less user program. The Fitness Reality Upright Bike also has a slightly lower user weight capacity than the Nautilus U614. Both of these models have a pretty durable steel frame, they both have a well-padded and adjustable seat, and they both have a great LCD display with good fitness tracking abilities. The Nautilus is more than $100 more expensive than the Fitness Reality model, which is probably because of the difference in user weight capacity and the fact that the Fitness reality does not have a fan, speakers, an MP3 input, or any kind of fitness app connection capabilities.

Exerpeutic GOLD 500 XLS Foldable Upright Bike

This model is a fair bit cheaper than the Nautilus U614. This is probably because the Exerpeutic Gold 500 has no user programs, plus it only has 8 levels of resistance. Also, it does not have any of those fancy speakers, MP3 inputs, fans, or fitness app connectivity capabilities. On the other hand, the Exerpeutic Gold 500 is a lot smaller, lighter, and more compact than the Nautilus U614. There is also the fact that the Exerpeutic Gold 500 can fold down to half the size for easy storage. Also, the Exerpeutic model somehow manages to have a much higher user weight capacity than the Nautilus.

Final Thoughts On The Nautilus U614 Upright Bike

At the end of the day, there is a good reason why the Nautilus U614 Upright Bike is rated as one of the best mid-range options out there. It is because it comes with absolutely everything that you would need for a comprehensive cardio workout. It’s durable, it has tons of features and settings, it’s comfortable, and comes with lots of extras too.