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Nautilus U514 Review

Nautilus U514 Exercise Bike

NOTE: The Nautilus U514 is discontinued. Consider the Sole B94.

The Nautilus U514 upright exercise bike combines all the features you’ve grown to love in one exercise bike.

The trainer features the patent Eddy Current Brake Resistance (with 16 levels of resistance), durable & lightweight frame, multi-point adjustable seat, oversized deluxe pedals and 17 pre-defined workout programs.

The biomechanically design of the Nautilus U514 presents the rider with longer, more enjoyable workouts. The seat is especially comfortable.

Learn more about the Nautilus U514 exercise bike below…


Wondering if the Nautilus U514 is your best bet? Compare it to similar exercise bikes at the pages below:

Here are some other great exercise bikes you might be interested in:

Video Overview of the Nautilus U514


Model Nautilus U514

Our custom rating considers all of the bike's features, specs, warranties, and 100's of user & expert reviews, to save you time!

List Price

Suggested retail price, typically higher than the price you'll pay with our recommended retailers.

Best Price

Since prices change daily, this link goes to our preferred retailer for the current best price. Note: MSRP stands for Manufacturer's Suggested Retail Price.


The flywheel in an exercise bike is what creates resistance. You can choose the level of resistance to increase your workout intensity.

16 Levels
Resistance Type

The type of resistance shows what kind of flywheel is being used (if any), and its weight if the manufacturer provides it.

Eddy Current Brake

Type refers to the style of the ride: Recumbent bikes allow you to lay back, while Upright bikes are more like road bikes (lean forward).

Drive System

The bike's drive system is how your pedaling interacts with the rest of the bike (flywheel) to give you a good workout.

20 lb. Flywheel

It's important to choose an exercise bike that will last, and the material of the frame determines how durable the bike is.

Durable &

The most important part for comfortability during your workout, the seat should be adjustable and have ample cushioning.

Console Adjustments

Pedals are the driving force for an exercise bike, and should be comfortable, adjustable, and easy to control without slipping.

Oversized Deluxe

Bike Programs allow you to complete a workout with changing speeds and inclines, without changing anything manually.

Heart Rate

Heart Rate programs allow you to track how many times your heart is beating per minute (bpm), and some control the workout for you.

Pulse Grips & Chest Strap
(4 Programs)

Display refers to the screen you'll look at to monitor workouts. LED and LCD displays are similar to TV screens.

Backlit Blue LCD
Max. Weight

Max. User Weight is the amount of weight, in pounds (lbs), that the bike can safely support, which can represent durability.

300 lbs

Dimensions are included to help you figure out if this treadmill will fit properly (Length x Width x Height and Height x Depth).

42" x 21" x 52"
Weight: 88 lbs
Accessory Tray

Some bikes include an accessory tray for holding items such as water bottles, wallets, keys, or MP3 players like iPods.


Cooling Fans


Some exercise bikes can fold up and/or have wheels that make it easy to roll them around for convenience and to save space.


The warranty is a very important part of your investment. The longer the warranty, the longer you can get free/discounted repairs by the manufacturer.

Frame: 10 Years
Mechanical: 2 Years
Electronics: 1 Year
Wear Parts: 6 Months

Rating: 0.0%

Full Review

Quick Summary
Rating: 76.2/100. Compact trainer with friendly price tag, Nautilus U514 lets you ride longer and harder with biomechanically correct design and comfort features, not to mention enhanced programming. Exercise bike is not compatible with mp3 players.

– Dependable resistance system (w/ 20 lb. flywheel)
– Big selection of resistance levels (16 total)
– Biomechanically design provides enjoyable experience
– Oversized deluxe pedaling system
– Comfortable, adjustable seat
– Large range of pre-defined workout programs (17)

– Not music friendly (no iPod dock, built-in speakers)
– Exercise bike not compatible with iFit Live
– Compact trainer not the best option for larger users


The Nautilus’ U514 exercise bike supports users up to 300 pounds, providing a comfortable ride along the way.

The compact trainer weighs only 88 lbs., and is easy to move with built-in transport wheels. It may not support all shapes and sizes, but if you need something lightweight and compact you need to consider the Nautilus U514.

Workout Programs

The Nautilus U514 offers 17 different workout programs.

Additionally, 16 resistance levels provide versatility for all types of users, whether you’re just starting out in the fitness game or a seasoned veteran.

Choose between 7 profile courses and maximize results with four polar heart rate programs equipped with telemetry, grip and chest belt.

The Nautilus U514 is not compatible with iFit Live which is not a huge deal, but always a nice addition.

Exercise Bike Features

The Nautilus U514 upright bike saves time while you workout and guarantees that you won’t be bored during your workout. Utilize the reading rack to keep abreast of the latest news or read the next chapter in your favorite novel.

Stay hydrated with the convenient water bottle holder and exercise longer taking advantage of the cooling fan.

Adjustable seat and handlebar adjustments along with oversized pedals adds body-type precision to your workout.

Transport wheels permits flexibility in moving the bike from point A to point B.

Blue backlit LCD display will keep you updated on all exercise data, including heart rate readouts from the pulse grips or wireless chest belt.

Unfortunately, the Nautilus U514 is not loaded with some of the latest toys (iPod dock, iFit Live), but for the price paid it’s understandable.

Warranty & Guarantee

The Nautilus U514 exercise bike warranty and guarantee includes:

– Frame: 10 Years
– Mechanical: 2 Years
– Electronics: 1 Year
– Wear Parts: 6 Months

Contact 1-800-628-8458 for additional details.


The Nautilus U514 exercise bike appeals to people of all shapes and sizes with virtually every part of the trainer adjusting to your body type.

Looking for a better option? Find out how it compares to the Top 5 Exercise Bikes.

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