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Nautilus U618 Upright Exercise Bike | Review 2020

January 5, 2020 by  
Filed under Exercise Bikes

Nautilus U618 Upright Exercise Bike

Nautilus U618 Upright Exercise Bike (with Magnetic Resistance)

Rated 4.6 Stars


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Is this the best price?

The Nautilus U618 Upright Exercise Bike is the top-of-the-line upright bike from Nautilus. Upright bikes have the same riding position as outdoor bikes. The Nautilus U618 will provide a low impact cardiovascular workout with low impact on your joints. The Nautilus brand of bikes is a well known quality brand.

The new Nautilus U618 features a balanced flywheel, which creates a secure, quiet, vibration-free workout, as well as 25 levels ECB magnetic resistance. ECB is the best type and quiet form of magnetic resistance. There are 10 resistance quick keys to go from easy to hard. Nautilus provides 29 workout programs (12 profile; 9 are heart rate control; 2 are custom user defined; 2 are fitness tests (1 Beginner; 1 Advanced); 1 quick start), and additional features. The two integrated levelers & the large mid-frame support give you a solid and stable bike platform. The Angle adjustable handlebars provide comfortable riding positions. Upgraded oversized seat on the U618 for comfort can adjust horizontally as well as vertically for the perfect fit.


Nautilus U618 Upright Bike LCD Console

Nautilus U618 Console

Nautilus U618 Upright Bike Features: Nautilus DualTrack™ two LCD window system allows you to watch up to 13 different display feedbacks. The display tilts for best viewing angle. Keep track of your progress and download the data to a USB drive with the Nautilus Connect portal and MyFitnessPal for goal tracking.

Integrated Speakers sound system for listening to your iPod or MP3 player while you exercise. Pulse grip heart rate monitoring and telemetry enabled (Heart rate strap is included). 3 Speed Workout Fan (keeps you cool during your workout). Transport wheels to move the bike. Bluetooth® connectivity, syncs with Nautilus Trainer™ 2 App and other apps for fitness tracking.


Explore the World App

Explore the World App

*Access the Explore the World APP: and 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.

The APP will stream to your iPad or other tablet computer.


Maximum User Weight Capacity: Up to 325 pounds.
Bike Warranty: 15 year warranty on the Frame; 3 years parts & electrical; 1 year labor.
Bike Dimensions: 38.5″ L x 24″ W x 58.3″ H (83 lbs.)
Upgrade Features U616 Vs. U618: The U618 adds a more comfortable Oversized Nautilus Gel™ seat, premium weighted pedals, larger forearm pads for more comfort, heavier frame, added resistance controls on the handle bars. The U618 has a longer frame and electronics warranty, and higher user weight limit (325 lbs.)


Smart-Review Commentary: The Nautilus U618 bike is an excellent low priced recumbent bike for home residential use. This model should fit most needs as its maximum user weight is 325 lbs. It is loaded with convenience features, and comfort features (cooling fans, stereo speakers, side water bottle holder). It also has a media holder for magazines, or tablet computers. The frame is built for added stability, the pedals include toe straps. The Grip heart sensors will monitor your heart rate, and allow you to run heart rate programs. This model is also wireless telemetry enabled.

Nautilus Gel Seat

Nautilus Gel™ Seat
Standard on the U618

The U618 has excellent ratings and reviews and also has a very good warranty as well. This upgraded model has a backlit screen, more resistance levels, more programs, added Bluetooth®, Heart telemetry, longer warranty, added resistance controls on handlebars, and better Nautilus Gel™ seat than the U614 model. One premium feature not found on cheaper bikes is the ability to adjust the bike front to back horizontally for best fit. The adjustable handlebars, and contoured seat, allow for comfortable riding. Consumer reviews for this model have been excellent. The Nautilus U618 is a Smart-Review Top Pick for upright exercise bikes.


Nautilus U618 Nautilus U618
Upright Bike
Nautilus U614
Upright Bike
Nautilus R616
Recumbent Bike
    Bike Features

  • Backlit LCD Display
  • 29 Workout Programs
  • 25 Levels of Resistance
  • ECB Magnetic Resistance
  • Oversized Gel Seat
  • Handlebar Controls
  • Pedals with Toe Straps
  • Heart monitor w/telemetry
  • Heart rate strap included
  • Flywheel
  • Maximum user weight limit: 325 lbs.
  • Cup Holder
  • Nautilus Connect™
  • Forearm Pads
  • Bluetooth® connectivity
  • Built-in Speakers
  • Built-in Fan

Is this the best price?

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Backlit LCD Screen
25 Resistance Levels
29 Workout Programs
Heart Telemetry
Bluetooth®
Oversized Gel Seat
Handlebar Controls

Is this the best price?

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LCD Screen
20 Resistance Levels
22 Workout Programs
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Is this the best price?

(Click for Reviews)

Backlit LCD Screen
25 Resistance Levels
29 Workout Programs
Heart Telemetry
Bluetooth®
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Related Article: Upright Exercise Bikes – Comparison and Reviews

Related Article: Nautilus U614 Vs. U616 Upright Exercise Bikes

Related Article: Recumbent Exercise Bikes – Comparison and Reviews

Related Article: Smart-Review | Exercise Bike Buying Guide (2020)



Nautilus U618 Upright Exercise Bike | Review Summary

Summarized Review: The Nautilus U618 upright exercise bike is highly rated, with many high end features. The U618 bike uses 25 levels of ECB magnetic resistance for smooth, quiet, and maintenance free resistance. Premium features include 29 workout programs, backlit dual LCD screen, heart telemetry, built in Bluetooth®, and a 3-speed fan. Special features on this bike are the oversized Nautilus Gel Seat, and resistance controls built-in to the handles. User weight upgraded to 325 pounds. This model is a SmartReview Top Pick.
Written By: Smart Review
Product Rating: 4.6 out of 5