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Nautilus Recumbent Bike Series

4.4 out of 5 stars 2,034
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Brand Nautilus
Special feature Distance Travelled Monitor
Colour Black
Power source Corded Electric
Recommended uses for product Indoor

About this item

  • With enhanced Bluetooth connectivity, users can set, track and monitor progress with popular app-based tracking tools
  • Explore the world and discover 50 plus global routes that auto-adjust in real time to your speed (Explore the World subscription required)
  • Access the Explore the World app and digitally immerse yourself in a world of virtual courses, exotic locales, and stunning trails from around the globe, 3 free courses available; Unlock more with explore the World app subscription
  • DualTrack blue backlit LCD console displays 29 customizable workout programs
  • 25 levels of resistance for a wide range of workout intensity options
  • Padded seat with ventilated back on sliding seat rail for adjustable comfort
  • MP3 player jack and built-in charging port to keep your devices fully charged
  • High speed, high inertia drive system with a perimeter weighted flywheel for easy start up and smooth, consistent workouts
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Product Information

Technical Details

Additional Information

From the manufacturer

Nautilus R616 Recumbent Bike
Explore the World App Bluetooth Connectivity

Bluetooth Connectivity

With enhanced Bluetooth connectivity, users can set, track and monitor progress with popular app-based tracking tools like Explore the World, MyFitnessPal, and more.

Explore the World App Bluetooth Connectivity

Nautilus R616 Recumbent Bike LCD Display

Nautilus R616 Recumbent Bike Adjustable Seat Comfort

Nautilus R616 Recumbent Bike Resistance Levels

Explore the World app
Natuilus, Nautilus, Nautilis, Recumbent, Bike, Home, Fitness, Exercise, R618, Performance, Series Natuilus, Nautilus, Nautilis, Recumbent, Bike, Home, Fitness, Exercise, R614, Workout, Biking
Nautilus R618 Recumbent Bike Nautilus R616 Recumbent Bike Nautilus R614 Recumbent Bike
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Customer Reviews
4.4 out of 5 stars
2,034
4.4 out of 5 stars
2,034
4.4 out of 5 stars
2,034
No. of Programs 29 29 22
Bluetooth Connectivity ✓ ✓
Immersive Training Explore the World App Explore the World App
Heart Rate Contact & Telemetry Enabled Contact & Telemetry Enabled Contact
Display Adjustable Sight Line Dual-Mode LCD Displays 2 DualTrack Blue Backlit LCD Displays DualTrack LCD Display
Resistance Levels 25 25 20
USB Charging Port ✓ ✓ ✓
Media Rack ✓ ✓ ✓
Speakers ✓ ✓ ✓
Water Bottle Holder ✓ ✓ ✓

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4.4 out of 5 stars
4.4 out of 5
2,034 global ratings

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Carbor Undium
5.0 out of 5 stars Silenciosa, cómoda, buen diseño. Multiusuario. Muy pesada. Viene desarmada.
Reviewed in Mexico on 12 April 2023
Verified Purchase
Es una excelente bicicleta recumbente, cómoda, fácil de instalar y de usar. Su asiento posicionable fácilmente con solo deslizar una palanca y ademas es reclinable de manera sencilla y rapida.

El sistema magnético de resistencia es silencioso y rápido al subir o bajar la resistencia.

Tiene varias funciones muy cómodas, como ajustar la resistencia desde los manubrios en el asiento o en el tablero principal, ventilador directo y viene con un cinturón para leer el ritmo cardiaco o se puede leer en las manijas de sujeción tanto en el asiento como en el tablero principal.

Es multiusuario, para programar sus funciones y controles electrónicos, pero el asiento es mecánico, se debe ajustar cada vez para cada usuario.

Se requiere de electricidad para que funcione, sin ella no puede funcionar.

Es un equipo que viene desarmado y en mi caso la caja llego muy dañada, pero afortunadamente todo iba dentro intacto, pues la paquetería sello la caja con cinta para que no se salieran las piezas.

Una vez armada la bicicleta es pesada y grande.

Hasta la fecha ha funcionado todo bien.
Customer image
Carbor Undium
5.0 out of 5 stars Silenciosa, cómoda, buen diseño. Multiusuario. Muy pesada. Viene desarmada.
Reviewed in Mexico on 12 April 2023
Es una excelente bicicleta recumbente, cómoda, fácil de instalar y de usar. Su asiento posicionable fácilmente con solo deslizar una palanca y ademas es reclinable de manera sencilla y rapida.

El sistema magnético de resistencia es silencioso y rápido al subir o bajar la resistencia.

Tiene varias funciones muy cómodas, como ajustar la resistencia desde los manubrios en el asiento o en el tablero principal, ventilador directo y viene con un cinturón para leer el ritmo cardiaco o se puede leer en las manijas de sujeción tanto en el asiento como en el tablero principal.

Es multiusuario, para programar sus funciones y controles electrónicos, pero el asiento es mecánico, se debe ajustar cada vez para cada usuario.

Se requiere de electricidad para que funcione, sin ella no puede funcionar.

Es un equipo que viene desarmado y en mi caso la caja llego muy dañada, pero afortunadamente todo iba dentro intacto, pues la paquetería sello la caja con cinta para que no se salieran las piezas.

Una vez armada la bicicleta es pesada y grande.

Hasta la fecha ha funcionado todo bien.
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One person found this helpful
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T. Hammell
5.0 out of 5 stars Terrific at Home Cycle
Reviewed in Canada on 7 September 2021
Verified Purchase
Needed a home cycle in a low roof basement.

Worked great, quick shipping, comfortable.
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JMH
5.0 out of 5 stars Great bike but you are taking a risk with the shipping
Reviewed in the United States on 11 January 2019
Verified Purchase
Since this review is for the bike itself, I am giving it 5 stars. The shipping process, however, would have been 1 star. I’ll go into more detail on that later in this review. The bike was easy to put together, but does require two people for some steps. Once it was assembled, I was able to move it across the room with thick carpet by myself, as the wheels are helpful and work well. In working through a few programs, this bike has everything I was looking for. I first started with the heart rate setting so that the resistance and level would adjust to get me to target heart rates. I also have used other programs of varying levels, depending on my mood. You can set the workout based on time you want to spend, calories you want to burn, or distance you want to go. Throughout the workout, you can see progress and make adjustments to make the workout easier or more difficult. I have used the fan during the workout and it is adjustable in direction and intensity, both up or down. At the highest setting, it provided just enough air to cool me off. Overall, I believe that this is a great price for what you get.
On the parts I would suggest improvements, the bottom seat is a little deep. I tend to have to sit further forward on the seat so that the seat does not impede my upper thighs when peddling. This is nothing major, but just a suggestion. Also, the seat does wobble a bit. I think there are some parts that come pre-assembled that I could tighten up; I just have not done the yet. Lastly, the heart rate monitors on the bars by the seat are not very sensitive. I find that I have to grip those bars with a lot of force to get a reading. This is not quite ideal when using the heat rate workout setting, as I have keep a lot of pressure throughout the workout.
Now, for the shipping from amazon. I saw some other reviews about damage during shipping, but I also saw this for a variety of bikes, so i selected the one I liked best and took a chance on shipping with amazon. Upon getting home, I discovered a badly damaged box a my front door. I brought it inside carefully and started to take inventory of the parts, since there were large holes in the box. All the parts were present, but the frame of the bike (the main part) was dented to the point that I could not install the wheels on the front, and the bl1ack paint was severely chipped. I immediately contacted Nautilus to see what they would recommend. Their customer service rep was very helpful and had me send him some photos of the damage so he could advise me on how to proceed. By looking at the photos, he concluded that this large dent was likely caused during shipping, as it had to have been dropped on the end of the box to create this damage. He advised that I contact amazon about a replacement bike. Given the condition of the box, I knew there was no way to ship this back in the original box, so i went to plan “b”. During this phone call, my husband came to assist me with assembly and decided to try to bend this dent out on his own. It took him about 15 minutes of banging it out with a hammer to finally get it pushed out enough to install the wheels. So, I now have a bike with some damage, but was willing to accept that to avoid the hassle of a return wand a second try on shipping. I would have been willing to pay a little extra for a better style of delivery for something this large and heavy. But I also think some of this blame falls on Nautilus for not providing more structure in their packaging, some wood or framing inside the box could have prevented this damage and would make the package more sturdy.
Customer image
JMH
5.0 out of 5 stars Great bike but you are taking a risk with the shipping
Reviewed in the United States on 11 January 2019
Since this review is for the bike itself, I am giving it 5 stars. The shipping process, however, would have been 1 star. I’ll go into more detail on that later in this review. The bike was easy to put together, but does require two people for some steps. Once it was assembled, I was able to move it across the room with thick carpet by myself, as the wheels are helpful and work well. In working through a few programs, this bike has everything I was looking for. I first started with the heart rate setting so that the resistance and level would adjust to get me to target heart rates. I also have used other programs of varying levels, depending on my mood. You can set the workout based on time you want to spend, calories you want to burn, or distance you want to go. Throughout the workout, you can see progress and make adjustments to make the workout easier or more difficult. I have used the fan during the workout and it is adjustable in direction and intensity, both up or down. At the highest setting, it provided just enough air to cool me off. Overall, I believe that this is a great price for what you get.
On the parts I would suggest improvements, the bottom seat is a little deep. I tend to have to sit further forward on the seat so that the seat does not impede my upper thighs when peddling. This is nothing major, but just a suggestion. Also, the seat does wobble a bit. I think there are some parts that come pre-assembled that I could tighten up; I just have not done the yet. Lastly, the heart rate monitors on the bars by the seat are not very sensitive. I find that I have to grip those bars with a lot of force to get a reading. This is not quite ideal when using the heat rate workout setting, as I have keep a lot of pressure throughout the workout.
Now, for the shipping from amazon. I saw some other reviews about damage during shipping, but I also saw this for a variety of bikes, so i selected the one I liked best and took a chance on shipping with amazon. Upon getting home, I discovered a badly damaged box a my front door. I brought it inside carefully and started to take inventory of the parts, since there were large holes in the box. All the parts were present, but the frame of the bike (the main part) was dented to the point that I could not install the wheels on the front, and the bl1ack paint was severely chipped. I immediately contacted Nautilus to see what they would recommend. Their customer service rep was very helpful and had me send him some photos of the damage so he could advise me on how to proceed. By looking at the photos, he concluded that this large dent was likely caused during shipping, as it had to have been dropped on the end of the box to create this damage. He advised that I contact amazon about a replacement bike. Given the condition of the box, I knew there was no way to ship this back in the original box, so i went to plan “b”. During this phone call, my husband came to assist me with assembly and decided to try to bend this dent out on his own. It took him about 15 minutes of banging it out with a hammer to finally get it pushed out enough to install the wheels. So, I now have a bike with some damage, but was willing to accept that to avoid the hassle of a return wand a second try on shipping. I would have been willing to pay a little extra for a better style of delivery for something this large and heavy. But I also think some of this blame falls on Nautilus for not providing more structure in their packaging, some wood or framing inside the box could have prevented this damage and would make the package more sturdy.
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54 people found this helpful
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Red63Galaxie
5.0 out of 5 stars Very Nice Bike & Well Worth the Money
Reviewed in the United States on 10 February 2018
Verified Purchase
I will give my own impressions of our Nautilus R614 and also refer to a few comments that others have made. Generally, it seems to be well-made and solid, but like any machine, it has its little quirks which seem to affect each user differently. So here’s my own subjective review of how I see this machine’s strengths and quirks.
First off, unpacking and assembly. It came via FedEx in the original factory box – no other packaging. The box had the usual nicks and dings, but the internal packing and wrapping prevented any dents or scratches on any part of the machine. After opening the top, I slit both corners of one side so the entire side would lay flat on the floor, making it easy to remove all unattached parts, and then slid the frame sideways out onto the smooth cardboard. There was no need to lift anything heavy out of the box. The styrofoam blocks under each end of the frame kept it upright while I attached the stabilizers/feet.
The assembly manual is pretty easy to understand, but there are 2 goofs to watch out for, unless they have been corrected by the time you get your bike. First, on page 7, the routing of the pulse sensor cable shown circled on the right side of the page is incorrect. There is no way the lower cable (with the male plug) can be fed through the small hole as shown. I will try to attach a photo or 2 of how the coiled cable actually is installed. Second, on page 10, in the X4 circle, the curved washer labeled J doesn’t exist on the parts card. However, you will have 4 flat washers left over from earlier that will work just fine. Other owners have also noted this.
Page 10 could use more explanation. Making the cable connections and mounting the console mast, part no. 16, are two steps where you are likely to need a second pair of hands. First, place cover # 14 LOOSELY in place; DO NOT snap it down yet.* Next, slide the seat fully forward so it can support the handle end of the mast while you connect the 2 cables. After the cables are connected, slip the mast into its place in the lower support. Then have your helper raise and hold cover #14 out of your way while you install the bolts and washers holding the mast in place. If you drop any parts into the mechanical goodies below, you will either have to flip the whole shebang upside down to get them to fall out, or, if they get caught by the magnets, you may have to remove the lower covers to pull them loose.
*If by chance you snap #14 down before bolting the mast in place, making that job impossible, the cover can be popped loose by GENTLY sliding a thin plastic piece like an old credit card or plastic putty knife up under one side, then the other, of the cover to unsnap it. Please don’t ask how I know this.
Installation-wise, that’s about it. No big hassles; I would estimate about 1 to 1½ hours for most people. Ours worked perfectly on first start-up, which is always nice.
As for how well it works: We have had it for just a week, and have had no problems so far except for the pulse rate monitor. However, from what I read in many reviews before purchasing this model, that is a common problem across many makes, models, and price ranges of exercise machines.
There is a wide range of resistance adjustment, from almost none to quite heavy.
The operation is very smooth and quiet. I have heard no noise at all from the flywheel area. Once in a while, depending on the seat position, there might be a little click or noise from the seat support, but that is rare. Nautilus strongly recommends getting off the bike before releasing the seat lock. If you don’t, keep your feet firmly planted on the floor to prevent a short but fast trip down and forward with a sudden stop at the end. Again, don’t ask me how I know that. Just do what Nautilus says.
Some reviewers have had a lot to say about the seat. The only way I can describe it is, in a word, weird. It looks like it wouldn’t be all that comfortable, and to just sit on it, it isn’t, though for me it’s not all that bad, either. But when I start pedaling, it’s like something changes, and I forget all about it. If I could change anything about the seat, I might just move the backrest to the rear a couple of inches, or make the backrest adjustable. The uncushioned plastic seat does not seem hard, to me or my wife, even after half an hour or more. Support for my back and kiester are very good.
The speakers provide decent sound – true stereo, even – but not much bass. The displays are not backlit, but are easy to read. The USB port can also be used for charging, but if I’m using my phone for music, charging at the same time adds noticeable noise to the audio.
The only frustration is the unreliability of the pulse monitor, and on ours it’s all in the contact between hands and sensor contacts. If hands and contacts are clean and dry, the monitor function will not work at all. Damp, sweaty hands make a big difference, but that might take a while. Partial contact gives a very high false reading. Maybe there’s some gel or lotion to increase skin conductivity, like for the paddles on a defib unit, that would work. For now we just use a fingertip pulse-oximeter.
The chips-and-soda bottle tray that mounts behind the seat is a nice touch, but my wife the retired RN thinks that maybe Nautilus was thinking more along the lines of water bottles and celery or carrots. Oh well . . . . .
Overall, we really like it, and would highly recommend it to anyone who is looking for the particular features and specs that come with this model. If we had to replace it, we would get another one just like it.
Customer image
Red63Galaxie
5.0 out of 5 stars Very Nice Bike & Well Worth the Money
Reviewed in the United States on 10 February 2018
I will give my own impressions of our Nautilus R614 and also refer to a few comments that others have made. Generally, it seems to be well-made and solid, but like any machine, it has its little quirks which seem to affect each user differently. So here’s my own subjective review of how I see this machine’s strengths and quirks.
First off, unpacking and assembly. It came via FedEx in the original factory box – no other packaging. The box had the usual nicks and dings, but the internal packing and wrapping prevented any dents or scratches on any part of the machine. After opening the top, I slit both corners of one side so the entire side would lay flat on the floor, making it easy to remove all unattached parts, and then slid the frame sideways out onto the smooth cardboard. There was no need to lift anything heavy out of the box. The styrofoam blocks under each end of the frame kept it upright while I attached the stabilizers/feet.
The assembly manual is pretty easy to understand, but there are 2 goofs to watch out for, unless they have been corrected by the time you get your bike. First, on page 7, the routing of the pulse sensor cable shown circled on the right side of the page is incorrect. There is no way the lower cable (with the male plug) can be fed through the small hole as shown. I will try to attach a photo or 2 of how the coiled cable actually is installed. Second, on page 10, in the X4 circle, the curved washer labeled J doesn’t exist on the parts card. However, you will have 4 flat washers left over from earlier that will work just fine. Other owners have also noted this.
Page 10 could use more explanation. Making the cable connections and mounting the console mast, part no. 16, are two steps where you are likely to need a second pair of hands. First, place cover # 14 LOOSELY in place; DO NOT snap it down yet.* Next, slide the seat fully forward so it can support the handle end of the mast while you connect the 2 cables. After the cables are connected, slip the mast into its place in the lower support. Then have your helper raise and hold cover #14 out of your way while you install the bolts and washers holding the mast in place. If you drop any parts into the mechanical goodies below, you will either have to flip the whole shebang upside down to get them to fall out, or, if they get caught by the magnets, you may have to remove the lower covers to pull them loose.
*If by chance you snap #14 down before bolting the mast in place, making that job impossible, the cover can be popped loose by GENTLY sliding a thin plastic piece like an old credit card or plastic putty knife up under one side, then the other, of the cover to unsnap it. Please don’t ask how I know this.
Installation-wise, that’s about it. No big hassles; I would estimate about 1 to 1½ hours for most people. Ours worked perfectly on first start-up, which is always nice.
As for how well it works: We have had it for just a week, and have had no problems so far except for the pulse rate monitor. However, from what I read in many reviews before purchasing this model, that is a common problem across many makes, models, and price ranges of exercise machines.
There is a wide range of resistance adjustment, from almost none to quite heavy.
The operation is very smooth and quiet. I have heard no noise at all from the flywheel area. Once in a while, depending on the seat position, there might be a little click or noise from the seat support, but that is rare. Nautilus strongly recommends getting off the bike before releasing the seat lock. If you don’t, keep your feet firmly planted on the floor to prevent a short but fast trip down and forward with a sudden stop at the end. Again, don’t ask me how I know that. Just do what Nautilus says.
Some reviewers have had a lot to say about the seat. The only way I can describe it is, in a word, weird. It looks like it wouldn’t be all that comfortable, and to just sit on it, it isn’t, though for me it’s not all that bad, either. But when I start pedaling, it’s like something changes, and I forget all about it. If I could change anything about the seat, I might just move the backrest to the rear a couple of inches, or make the backrest adjustable. The uncushioned plastic seat does not seem hard, to me or my wife, even after half an hour or more. Support for my back and kiester are very good.
The speakers provide decent sound – true stereo, even – but not much bass. The displays are not backlit, but are easy to read. The USB port can also be used for charging, but if I’m using my phone for music, charging at the same time adds noticeable noise to the audio.
The only frustration is the unreliability of the pulse monitor, and on ours it’s all in the contact between hands and sensor contacts. If hands and contacts are clean and dry, the monitor function will not work at all. Damp, sweaty hands make a big difference, but that might take a while. Partial contact gives a very high false reading. Maybe there’s some gel or lotion to increase skin conductivity, like for the paddles on a defib unit, that would work. For now we just use a fingertip pulse-oximeter.
The chips-and-soda bottle tray that mounts behind the seat is a nice touch, but my wife the retired RN thinks that maybe Nautilus was thinking more along the lines of water bottles and celery or carrots. Oh well . . . . .
Overall, we really like it, and would highly recommend it to anyone who is looking for the particular features and specs that come with this model. If we had to replace it, we would get another one just like it.
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110 people found this helpful
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Greg Ebert
5.0 out of 5 stars READ all reviews before buying
Reviewed in the United States on 31 December 2020
Verified Purchase
I purchased the R616 to help me recover after ankle surgery. I was concerned about the number of negative reviews, so I was nervous about what I would receive. The bike comes in a single box and it's possible for one healthy adult to tip and slide the box to a location to assemble it. Going upstairs ? You will need 2 people. Check the box for obvious shipping damage before opening. Mine had minor tears, but looking inside I could see there was no damage. If you are a moderate do-it-yourself person, you will have no difficulty assembling the bike. If you are not experienced in assembling things, like IKEA furniture, etc, you will want help from someone who does. All needed tools are provided, and each part is clearly identified on a shrink-wrapped sheet of cardboard. The electrical connectors must be put together carefully, especially if you are not knowledgeable about electronics. NEVER force them; they will snugly click together. Be VERY careful when installing the pedals; pay attention to match left (L) and right (R) pedals because the threads are reversed. They will smoothly turn with your fingers for several turns, then tighten with the provided wrench. Some people have reported stripped threads, which must be from installing on the wrong side. These are precision-machined parts and will fit smoothly and stay tight if you install them correctly.

I was able to build the bike myself in about 2 hours even though I was confined to a knee scooter.

The bike operates smoothly and silently. It is so quiet that we use it while watching TV, and there is no audible noise. We've been using ours for more than a month, and it has not shown any signs of wear, squeaks, looseness, etc. There are 25 levels of resistance, from effortless to very difficult. The seat is comfortable, and easily adjustable with a lever. The seat stays secure when locked in-place.

I read EVERY review on this bike (yes, hundreds of reviews). I agree with the aspects of the positive reviews. The negative reviews could be referring to a lower-cost version (R614), could be the result of mishandling during shipping, or not following the assembly instructions. This is NOT a cheap or flimsy bike. While it's not something you will find in a gym, it's perfect for home-use. I'm an engineer with over 35 years of experience and a die-hard DIY person, and I can say the R616 is a solid design that will last for years if properly assembled and used.
123 people found this helpful
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