Nautilus R618 Recumbent Bike Review

The Nautilus R618 Recumbent Bike is the go-to product for professional cyclists that are looking to strive towards a new level in their fitness training. This advanced bike includes state-of-the-art technological innovations such as an app-based tracking tool, a Bluetooth connection to your personal devices for customizable training experience, and built-in training programs to get you the most effective workout for your desired fitness goal. The product only comes in black, and the dimensions for the product are 67.3 x 26.4 x 48.8 inches.

How the product is used – Training Programs

As a well-balanced product looking to provide an all-rounded training experience to the customer, the Nautilus R618 Recumbent Bike has a wide range of training programs that personalizes the workout for a user and lets the user choose the way in which he/she wants to use the product. A few examples of the training program are as follows:

  • Heart Rate Training Program
  • Interval Training Program
  • Weight Loss Training Program

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While designing the bike, Nautilus has undoubtedly given a lot of thought into the usability and comfort of the product. The wide array of performance abilities of the bike makes the product more desirable and unique for users and makes the workout more seamless. The list of systems that the product has in place to boost its performance can be seen below:

Nautilus R618 Optimized drive system

  • Optimized drive system: the bike has a powerful inertia drive system with a perimeter flywheel that is weighted. This particular system improves the performance of the product as it provides a smooth start-up and allows for consistency in the ride.
  • Weighted pedals (3 piece chrome crank system): makes the foot placement more convenient and lets the user have a hassle-free pedaling experience.
  • Dynamic Nautilus Recline Gel seat: the reclining seat that is built into the product provides the ultimate back support and comfort. Subsequently, the cushions in the seat help relax the glutes to give the most enjoyable ride for the users.
  • Resistance and incline handlebars: The resistance and incline handlebars grant for different intensity workouts for the users.

Nautilus R618 Features

Nautilus R618 Features

The Nautilus R618 Recumbent Bike boasts an impressive collection of features that allow the product to be more attractive to customers in the market. The features for the bike are concisely summarised below:

  • Adjustable Sight Line™ tilting console: the console provided with the bike can be adjusted to the requirements of the user, hence, allowing the user to view their metrics in a better fashion.
  • 29 Customizable Training Program: the product strongly believes in giving the user control over their training by providing them the right tool to achieve their goals individually.
  • App Pairing: comprehending the need to engage the user in the training environment, the app pairing allows users to view scores of other cyclists worldwide in a virtual experience, allowing them to become more competitive in the process.
  • Bluetooth: the incorporation of Bluetooth lets users effortlessly transfer their workout data from the bike to their personal devices.
  • Warranty: The product comes with a 15-year warranty for the frame, 3-year warranty for the parts and electronics, and a 1-year warranty for the labor costs associated with the product.
  • Maximum Weight Capacity: The maximum weight that the cycle can carry is 325 lbs or 147 kilograms.
  • Water Bottle Holder
  • USB Port
  • Three-speed fan

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Just like the performance systems and features that have been placed in the product by Nautilus, the additional accessories listed below also aid in the over the performance of the product.

  • Wireless Heart Strap: A wireless heart strap and handle grips are provided with the product to monitor the user’s heart rate.
  • Dual Grip Support Handle: this handle lets the user transport the bike to a location of his/her convenience with ease.

Weighing-in the positives and negatives

Although we were able to look at the impressive features and performance systems of this product, it is time we look at the bigger picture by exploring what makes this product desirable and what makes this product detestable.


Nautilus R618 gel seating

  • Easy installation of the product.
  • The product features a fan that helps cool you down during a high-intensity session.
  • The water bottle holder is ideal when you are feeling dehydrated but want to continue your workout.
  • The USB port allows you to charge personal devices while you are training.
  • There is a great warranty that covers the entire product, including labor.
  • A virtual app experience helps the user engage with others.
  • Bluetooth permits the effortless transfer of workout data.
  • Greater focus on individual experience with customizable training workouts.
  • Tilting console provides enhanced visibility for your training program and the corresponding metrics.
  • The support handle allows for the mobility of the device.
  • Heightened comfort is provided by the seat gel.
  • There is a smoother ride provided by the drive system.


  • Seats cannot be raised back and forth without lowering or raising the seat.
  • The device can be loud when the screws fail.
  • Difficult to replace the seat when required.

Maintenance and Assembly of Nautilus R618 Recumbent Bike

The device arrives in a single box and needs about an hour and a half for completion. With the box comes an instruction manual with clear instructions that provides a step by step guide to the user about how the product should be assembled. The box comes with the necessary nuts, tools, and bolts that are required to set-up the device for use.

While talking about the maintenance, there is a high chance that the screws and seats will wear out with time, and thereby, replacements will need to be arranged to use the product properly.

Comparison of the Nautilus R618 Bike with the R616 Bike

R618 Recumbent Bike Top of the Line

Being devices of the same company, one can view multiple similarities between the two bikes. However, the Nautilus R618 Bike is the upgraded version of the Nautilus R616 Bike, and so, does the lower price model compensate for the lack of certain features? Let’s find out.

Read more: Nautilus R614 vs R616 vs R618 Review


  • High inertia drive system
  • App sharing
  • LCD displays
  • 29 customizable workout programs
  • Distance, Time, and Calories goal tracking with Bluetooth functionality to personal devices to sync metrics.
  • Both bikes have a wide range of workout intensities to choose from.


  • The R616 Bike has a lesser warranty for the frame at ten years.
  • The R616 Bike has a lower weight capacity at 300 lbs or 138 kilograms.
  • There is an adjustable tilt console provided with the R618 Bike that isn’t available on the R616 Bike.
  • The R616 Bike does not come with the gel seating.
  • The R618 Bike is fitted with weight pedals for better foot placement.
  • Accessories such as the heart rate strap and support handle are provided when the R618 Bike is purchased.
  • The R618 Bike comes with a urethane-coated performance handlebar for better incline and resistance control.

Which product has the better value for money?

This is a tough question to answer. The R616 definitely lacks a visible amount of features as compared to the R618 Bike, but the thing to note is that the R616 Bike is listed for almost $220 cheaper. Thereby, if you are an experienced user looking to expand your training program, the R618 Bike is definitely the product that you must be using. That being said, for the rest of us, the R616 model would be the better fit as it has an expansive range of workout selections at a much lower price.

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User Concerns

With plenty of options on the market, devices with fantastic features like the R618 Bike have received countless positive responses, especially when it comes to the long-run performance. Unfortunately, some clients do express their concerns with regard to the constant need for replacement for the screws that hold the seat in place. They have also expressed visible concern with regards to pain caused on the back due to the unpleasant design of the backrest. One user has also flagged a flaw in the design of the equipment itself, stating that adjusting the seat forward and backward cannot occur without raising or lowering the seat.

Answers to the Frequently Asked Questions about the bike

1) Question: Is the weighted flywheel magnetic?

The flywheel is a weight that is wheel-shaped. Technically speaking, only the part resistance adjustment part is magnetic, and this mechanism is called ‘eddy-current resistance.’

2) Question: Is the product simple to assemble?

This equipment is convenient to assemble, and the instructions are simple and understandable. The only self-assembly that needs to be done is the lower portion of the frame. The connections for the electronics are self-explanatory, and there are only five connections that need to be made, and the connections are distinguishable from each other.

3) Question: Does the LCD display show the watts/power that is generated?

The power generated is not displayed on the tilt console. However, there are a lot of other metrics that are displayed on the panel.

Nautilus R618 Recumbent Bike LCD Display

Final Verdict

There is no doubt that the Nautilus R616 Bike is an impressive product that has been designed while keeping in mind the preferences of a whole variety of individuals. The product allows you to get the ideal workout you need to improve your physique and fitness. The innovative features and the comfortable performance of the bike makes it particularly appealing in the market, and buying it is definitely worth it for your ideal workout experience. If you are eager and want to buy the bike right away, please click here.

Hey there, I'm Chris Jordan! I'm a certified personal trainer and dietician with over 11 years of experience in the fitness industry. I've helped thousands of people achieve better physical and mental health. When I'm not working, I love spending time with my dog.