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The Perfect Choice For Total Fitness

If you want the best, top-of-the-line recumbent bike with all the bells and whistles, then the Nautilus R618 is the bike for you. This bike is one of the best bikes from Nautilus. The build quality of this bike is on par with the commercial version you’d find in most public gyms.

The Nautilus R618 is a recumbent bike designed to offer the utmost comfort, convenience, and control. This bike is stylish and functional with a sleek design that’s easy on the eyes. The Nautilus R618 offers a variety of options for customization so you can have your perfect fit tailored to your specific body type. With 25 resistance levels and what seems like an infinite array of built-in programs, this bike is the ideal choice for your total fitness needs.

Nautilus R618 Recumbent Bike Specs

Type: Recumbent
Console display: Dual track two LCD window
Resistance: 25 Levels
Seat Type: Adjustable
Programs: 25
Flywheel: 30 LBS
Weight capacity: 325 LBS
Dimensions: 67.3″ L x 26.4″ W x 48.8″ H

Benefits of the Nautilus R618

The Nautilus R618 is full of impressive features. It’s like working out in style, and it’s one of the most comfortable exercise bikes around.

The Nautilus R618 is a sleek, stylish exercise bike designed to be comfortable and easy to use. It has an intuitive console that syncs wirelessly with your smartphone or tablet to track your progress. The incredibly smooth ride is made possible by the silent magnetic resistance system, making it easy to adjust the intensity of your workout without interruption.


The magnetic system provides a perfectly smooth workout: shifting through the different resistance levels is effortless and makes for a seamless workout.


With so many people living in apartments and other tight spaces, it can be difficult to do exercises because of how loud some machines are. This system is whisper silent. Your neighbors won’t hear it, and your family will be able to sleep peacefully during that early morning or late-night workout.  


The Nautilus R618 comes with an impressive 25 programs. The manual has more detail for each program, found here on page 31. Below is a list of the programs available for this machine.

First, we have the 13 basic programs included with most recumbent bikes. We have Fun Rides, Mountains, and Challenges.

Fun Rides:

  • Rolling Hills
  • Ride in the Park
  • Easy Tour
  • Stream Crossing


  • Pike’s Peak
  • Mount Hood
  • Pyramids
  • Summit Pass


  • Uphill Finish
  • Cross-Training
  • Interval
  • Stairs

Fitness Test Program: Measures the improvements to your physical fitness level.  

Recovery Test Program: This shows how quickly your heart recovers from an exercise state to a more restful state.

Heart Rate Control Workout Programs: This lets you set your heart rate goal and monitor your heart rate in beats per min from the sensors.  

Custom Programs:  This machine lets you create and modify resistance levels for each interval and select the type of goal ( distance, time, or calories)


You can sync this bike with your phone or tablet, along with an external heart rate monitoring device which is included.  


The Nautilus R618 can sync with its app, Nautilus Trainer, found in the Android Google Play Store and the Apple App Store. There is also a list of other apps you can sync with on their website As of the writing of this article, the compatible apps include: Explore the World, Peloton, Zwift, MyFitnessPal, Google Fit, and Apple Health.

USB Charging

One of the most essential features of a long workout session is a USB charging port. The Nautilus R618 has an easily accessible port capable of charging most devices. Keep in mind some devices may have higher amperage requirements and may not get enough power from the USB port. 

Chest Strap Heart Rate Monitor

One of our favorite features of the Nautilus R618 is the included wireless chest strap for heart rate monitoring. It’s perfect for those who want to be hands-free and continuously monitor their heart rate.  

Build Quality

The frame consists of heavy steel tubing. But don’t worry if you need to move this around. There are front wheels integrated into the machine to make transport easier. The whole exercise bike is 104lbs, and the transport wheels make it a breeze to move around. The system also has built-in levelers to keep the Nautilus R618 stable during use.

A step-through frame makes it easy to get in and out. The seat is ergonomically designed and has a good level of gel cushioning for comfort. The backrest is made of heavy-duty, ventilated PVC material to prevent your back from overheating during a more intense workout routine and promote healthy blood circulation.


Assembly is relatively easy with great instructions. It will take a one to two hours to put together. You can check out the install instructions here.   

Customer Service

Customer service from Nautilus is phenomenal. They are friendly, helpful and fast. Their warranty is great and will replace parts if anything breaks or doesn’t quite fit right. They will even work with you in troubleshooting any issues you might come across. 

Nautilus R618 Recumbent Bike Reviews from Customers

The Nautilus R618 is available at With a rating of 4.4 out of 5 stars. Most of the reviews are positive; you can check them out at this link. Here is a summary of the pros and cons from different reviews: 


  • Many built-in programs.
  • Very quiet machine.
  • Great customer service.
  • Wireless chest strap included.
  • Quality feel
  • Easy assembly


  • You can’t adjust the seat distance without raising it.
  • Placement of the power plug. It’s only in the front.
  • The built-in fan is weak
  • Nautilus app isn’t user friendly

Should You Purchase the Schwinn 230?

Overall the Nautilus R618 is one of the top-of-the-line recumbent bikes on the market. It may not be perfect in every detail, but it’s got a lot of great features like built-in heart rate monitoring and Bluetooth connectivity to smartphones for fitness tracking.

The build quality is very sturdy, and overall, it’s easy to use. This bike is the closest you’ll get to the much more expensive commercial models 


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