Nautilus R618 Recumbent Bike Review

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Nautilus R618 Recumbent Bike Review

R618 Recumbent Exercise Bike is the top-end recumbent bike in the series and the Best Recumbent Bike for Home Use offered by Nautilus. R618 Recumbent Bike is similar to the model R616 but has a few additional features such as higher user capacity up to 325lbs, ergonomic handlebars with resistance control buttons.

A better warranty on frame with a 15-year warranty on frame, and adjustable SightLine Dual-Mode LCD display that can be tilted for a better view and less glare. It also has Nautilus Gel Seat that provides extra comfort on long workout sessions. This exercise bike offers 25 resistance levels and 29 pre-set workout options.

Making the training more challenging and thrilling. The Recumbent Exercise Bike is enabled with Bluetooth Connectivity and sync with Nautilus Trainer Apps for data export. Its handlebars are equipped with quick control buttons to speed and resistance.

Heart Rate Monitoring is easier and better with R618 Recumbent Bike as it is telemetry enabled and also has contact pulse grips. The extra comfort features like acoustic chambered speakers, cooling fan, media rack, etc. makes the exercise bike a premium model.

R618 model with a higher capacity and increased flexibility costs about $100 more than the R616 model and is one of the preferred recumbent bikes in the market. Read Nautilus R618 Recumbent Exercise Bike Review 2021 here.

Best Suited to Whom?

Nautilus brand R618 Recumbent Bike offers professional quality cardio exercise to the home users and is apt for both the beginner level users as well as the experienced ones. The multiple members of the family can use a single machine as it enables up to 4 user profiles to be saved and stored for future sessions.

This exercise bike has the most comfortable Nautilus Gel seat with back support making the workouts relaxed and enjoyable even to the not-so-regular users. The higher level resistance setting and a wide range of pre-set programs provide challenging workout options.

To the avid-users and the mid-range pricing makes it affordable to a larger set of fitness enthusiasts.

Nautilus R618 Recumbent Bike Assembly, Design & Build Quality


R618 Recumbent Exercise Bike comes with the Owners’ Manual of R618 with detailed image instructions to make the Assembly process easy and simple. The tools, bolts, and screws required for the process are also included in the box.

The whole process will not take more than two hours and a single person can manage the assembly while a team of two-three people will make it easier and faster.

Design and Build Quality

Nautilus R618 Recumbent Exercise Bike has a sturdy steel frame and oversized crossbar tubing providing greater stability. To have a solid workout platform it has two integrated levelers with center support. It is slightly heavier than the previous models and weighs about 107 lbs.

The bike measures 48.8H x26.4W x67.3L and can support user weight up to 325 lbs. It is designed with transport wheels to make the movement between the rooms easier and convenient. The ergonomic handlebars are incorporated with quick controls to the speed and resistance.

The pedals are adjustable and come with straps to allow the users to maintain the feet position without slipping off during the training. It is designed with Nautilus Gel seat with a cushioned bottom and vented backrest.

That offers extra comfort during the long training. Also, the users can adjust and lock the seat as per their convenience.

Nautilus R618 Recumbent Exercise Bike Features


The Recumbent Bike features Eddy Current Brake System and has magnetic resistance up to 25 levels offering a wide range of intense workouts. The control button to the resistance is located at the handlebars allowing the users to quickly adjust the setting while working out.


It comes with the Nautilus Gel Seat to make the rides most comfortable to its customers. The vented back seat helps the users to rest their back during long rides. While the reclining seat provides for infinite adjustment of the back support, the aluminum sliding rail makes the adjustments easy and convenient for the users.

Speed and Inertia

R618 Recumbent Exercise Bike comes with the 30lbs perimeter weighted flywheel that has high speed and high inertia. The heavier flywheels make the workout rides consistent, smooth and virtually silent.

Ergonomic Pedals

This exercise bike comes with cranks made of solid steel. Like other models, even this recumbent bike features ergonomic pedals that come with straps to help the users to have the feet stability throughout the exercise.


Nautilus R618 model has the highest capacity in its series of recumbent bikes with a capacity to support users weighing up to 325 lbs.

Heart Rate Monitoring

The users can monitor and control the heart rates during the training with the help of contact pulse grips located at the handlebars and telemetry-enabled heart rate monitoring system. The box comes inclusive of the chest strap and the users need not purchase the chest strap separately.


R618 Recumbent Bike features adjustable SightLine console with two blue backlit display screens that offer a better view with reduced glare. The dual screens are placed one below the other and facilitate the easy reading of the workout data to review the training progress. The backlit screens facilitate clear reading in all the lighting conditions.

Bluetooth Connectivity

The bike comes with Bluetooth Technology to allow the users to connect with their smartphones so as to sync with Nautilus Trainer Apps and other fitness apps for seamless transition of workout data.

Extra Features

It also features some additional comforts such as USB charging port, MP3 input port, Acoustic Chambered Speakers, Media Shelf, 3-speed cooling fan etc to enhance the user experience.

Nautilus R618 Recumbent Bike Workout Programs

Built-in Fitness Programs: Nautilus Recumbent Exercise Bike has 29 pre-set workout programs that enable goal setting, weight loss, cardio training, and interval training. It supports users to save up to four profiles with 4 customizable programs.

The pre-set programs also include profile programs, heart rate programs, fitness test programs, recovery program, and a quick program. These programs provide an array of challenging training options to the users for achieving their fitness goals.

Goal Tracking: To enable users with easy performance tracking R618 Recumbent Exercise Bike has Bluetooth Connectivity. It facilitates sync with Nautilus Trainer 2 Apps and other Fitness Apps to export the workout data and review constantly.

Nautilus R618 Recumbent Bike Warranty

The R618 Recumbent Bike comes with the best Warranty offered by Nautilus in its home recumbent bike series. The company provides 15-year Warranty on Frame, 3-year Warranty on Parts and Electronics, and 1-year Warranty on labor.

Nautilus R618 Recumbent Bike Pros and Cons


  • 29 pre-set workout programs
  • Eddy Current Brake system
  • 25 Levels Magnetic Resistance
  • Nautilus Gel Seat for Extra Comfort
  • Telemetry Enabled Heart Rate Monitoring
  • Chest Strap included
  • Ergonomic Pedals with Straps
  • Bluetooth Technology
  • Sync with Nautilus Trainer 2 Apps
  • Media Shelf
  • USB charging port
  • Transport Wheels


  • Average Display system
  • No Lifetime Warranty
  • Heavier Equipment


With advanced features and a solid frame, Nautilus R618 Recumbent Bike is definitely one of the Best Exercise Bikes available in the market. It has ergonomic features with extra comfort seat, flexible handlebars, and comfortable pedals.

It also comes with modern technological features and greater entertainment options adding to the user experience. Just by adding another $100 to the R616 model, users can get the most upgraded Nautilus R618 Recumbent Exercise Bike.