Nautilus U616 Upright Bike Review

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Nautilus U616 Upright Bike Review

Nautilus U616 Upright Stationary Exercise Bike is an upgraded home exercise bike and has increased benefits over the basic model U614 Upright Bike. It comes with higher workout programs providing as high as 29 training options to the users.

The exercise bike has more resistance, up to 25 levels & is high on technological features. It has Bluetooth connectivity, contact pulse sensors, telemetry enabled heart rate monitoring, & can sync with RideSocial App enabling mixed-reality training.

It also syncs with Nautilus Trainer 2 App for tracking the training performance. It has 2 Dual Track blue backlit LCD for enabling the users to multitask while working out. For increased comfort and usability, U616 Upright Bike comes with a padded and contoured seat.

That makes the training rides easy. It offers flexibility and adjustments in its components such as adjustable seat, angle adjustable handlebars, and adjustable 3-speed cooling fan. To provide greater stability to the machine it has coated steel frame with a 10-year warranty and high speed.

High inertia belt drive system. The heavier flywheel offers easy starting and more consistent rides. While the Upright Bike has top quality features, it comes at a very economical price and is available at a price under $500.  Read Nautilus U616 Upright Stationary Exercise Bike Review 2021.

Best Suited to Whom?

U616 Upright Stationary Exercise Bike is a well-built exercise bike with impressive user-convenient features and technology, suitable to all level users, especially for avid-users and is one of the Best Exercise Bikes for Home Use. It comes with 29 pre-set workout programs offering a wider choice.

For the users to choose from while deciding the right program for their profile. It has coated steel frame and weighted flywheel that can support the user weight up to 300 lbs.

U616 Upright Bike is available in the market at price under $500, making in-home cycling an affordable affair to many of the users.

Nautilus U616 Upright Bike Assembly, Design & Build Quality


The Assembly of this Upright Bike is easy as it comes semi-assembled with the frame and the drive already assembled. The other components should be assembled for which it would take about an hour. The tools required to complete the process along with.

The Instruction Manual is provided in the box, the users can follow the step-by-step instructions given in the User-Manual of U616 and finish the assembly quite easily.

Design and Build Quality

U616 Upright Bike measures 41.8” in length, 21.6” in width, and 57.6” in height and weighs 68.6 lbs. The machine comes with transport wheels so that the users can easily move the bike after the use. It is designed with perimeter weighted flywheel and belt drive system making the operation quiet.

And it requires a low-maintenance without demanding lubrication.  It comes with adjustable pedals with straps to help the users maintain the foot position during the workout.

It is also designed with few more comfort features such as seat adjustments, angle adjustable handlebars, and adjustable cooling fan.

Nautilus U616 Upright Bike Features


The padded and contoured seat offered in the U616 Upright Bike allows the users to continue working out for longer duration comfortably. It also allows the users to make seat adjustments horizontally or vertically to get the comfortable position.


The two Dual Track blue backlit LCD display incorporated in the console enables the users to multi-task during the workout. It also has other features like Bluetooth connectivity, quick controls, USB charging port, built-in speakers, and the pre-set workout programs.

Magnetic Brake

The Upright bike offers higher resistance up to 25 levels with Eddy Current Braking System and offers smoother and quiet workout rides. The resistance levels can be set depending on the user’s need and ability.

Drive Type

This Upright Bike comes with belt drive system with a perimeter weighted flywheel which enables the operation to be quiet, smooth and jerkiness-free. The high-speed, high inertia drive system offers more consistent workout experience to its users.

Heart rate Monitoring

To enable the heart rate monitoring the Upright Bike has both contact pulse grips and is telemetry enabled. This feature helps the users monitor and control the heart rate during the training and set the exercise levels accordingly.


Nautilus U616 Upright bike has coated steel frame and is sturdy, powerful enough to handle user weight up to 300 lbs.


The oversized pedals come with straps to help the users maintain the feet position throughout the training without getting slipped off. While using the pedals users can wear athletic shoes to find the best comfort. To make the pedals strong and long-lasting against each resistance level, the pedals are attached to a 3-piece crank.

Device Charger

Nautilus U616 Bike has a USB charging port in its console allowing the users to charge their personal devices during the workout.

Extra Features

Nautilus U616 Upright Bike has 2 Dual Track blue backlit LCD for display, speakers, water bottle holder, cooling fan etc to make the training experience more convenient, comfortable and a pleasurable one.

Nautilus U616 Upright Bike Workout Programs

Pre Set Workout Programs: Nautilus brand Upright Bike offers 29 pre-set workout programs providing a wide range of programs to the users to choose from while deciding the right program for their profile. The 29 pre-set programs include 12 profile programs, 9 heart rate programs, 4 custom programs, 2 fitness test programs, 1 recovery program, and 1 quick start program.

The 12 profile programs further include Fun Rides, Challenges and Mountains. The user-defined or custom programs help the users save and store their profiles for the future workout sessions so that the continuity is not lost. With 4 custom programs, U616 Upright Bike allows up to 4 users save their profiles.

While using the heart rate programs the users should monitor their heart rate with the help of a chest strap or the contact pulse sensors. The two fitness test programs include one program for beginners and one for the advanced users.

Nautilus U616 Upright Bike Warranty

The company provides an industry-average warranty on U616 Upright Bike just like all other Fitness trainers.  It offers a 10-year warranty on Frame, 2-year warranty on electronics, 1-year warranty – on electronics and 90-days warranty on labor.

Nautilus U616 Upright Bike Pros and Cons


  • 29 pre-set workout programs
  • 25 levels of Resistance
  • 4-way adjustable handlebars
  • Pedals with strap
  • Contact and Telemetry Enabled Heart rate Monitoring
  • Sync with RideSocial App
  • Media Shelf
  • MP3 input port and USB charging port
  • Low maintenance
  • Accessories Tray
  • Easy Assembly


  • The frame does not have a Lifetime Warranty
  • The display is not very great


Nautilus Upright Bike is a top-line exercise bike with higher resistance levels, high-quality features, increased pre-set programs, and low impact cardio training. However, the increased comfort and higher-level features do not cost much on the pocket.

The upgraded U616 Upright Bike is available at a much economical price and is one of the Best Upright Stationary Exercise Bikes Under $500. If you are looking for more features in your exercise bike as compared to the build quality and warranty.

Then U616 Upright bike is definitely one of the best options available in the market, U618 Upright Bike being another great option in terms of features and durability.