Mongoose Argus ST Review: Fat Tire Bike Worth the Hype?

Are you ready to tackle all terrains with a unique twist?

This mountain bike sports 20-26-inch fat tires that can plow through sand, snow, or rocky trails with ease. Its 10.5-19 inch hardtail steel frame ensures a sturdy and stable ride, while the mechanical disc brakes offer quick, effective braking even in wet or slippery conditions.

Mongoose Argus ST Bike

Boasting a 7-speed drivetrain, you can experience smooth gear changes as you conquer various terrains. The bike’s twist shifters make shifting effortless, and the impressive 4-inch wide knobby mountain tires provide excellent stopping power and traction in various environments.

Surprisingly, this bike surpassed our expectations in terms of performance, and we can attest that it catches a lot of attention while riding around due to its eye-catching design and incredible fat tires.

Bottom Line

If you’re in search of a versatile, all-terrain mountain bike that caters to both adults and kids, you should consider the Mongoose Argus ST Fat Tire Mountain Bike.

With its heavy-duty tires, sturdy frame, and smooth gear shifting, you’ll be fully prepared to ride any trail with confidence.

Click Here to Purchase the Mongoose Argus ST Fat Tire Mountain Bike!

Exploring the Mongoose Argus ST Fat Tire Mountain Bike

Stepping into the world of fat bike adventures, we discovered the Mongoose Argus ST Fat Tire Mountain Bike. This versatile bike is designed for men and women, with 20-26-inch tires catering to a wide range of rider heights. Ensuring a sturdy and stable experience, the 10.5-19 inch hardtail frame is made of alloy steel.

Equipped with a 7-speed drivetrain, we found it perfect for navigating varied terrains. In slippery conditions or on bumpy trails, the mechanical disc brakes provided us with effective and quick braking power.

The highlight of our experience, however, was the knobby, 4-inch wide fat mountain tires that significantly increased traction, made stopping quicker, and offered impressive stability on challenging terrain.

While most of us had a great experience, a few minor issues did come up. Some of us found the seat to be firm, and one of the bikes had small paint flaws on the rear rim.

Overall, the Mongoose Argus ST proved to be an excellent choice for individuals looking for a durable, cool, and functional bike to tackle diverse trails and landscapes.

Key Features

Unique Fat Tire Design for All Terrains

One of the standout features of the Mongoose Argus ST is its fat tire design. These 20 x 4-inch knobby mountain tires provide excellent stopping power, handling, and traction on a wide range of surfaces.

Whether you’re riding through sand, snow, or rocky trails, these tires help ensure a smooth and comfortable ride. We found their performance quite impressive even in slippery conditions.

Sturdy Steel Frame for Durability

Constructed with a 10.5-inch steel fat tire hardtail frame, this bike offers a stable and sturdy riding experience. This solid alloy steel frame is more than capable of handling rough terrain and provides the durability needed for long-lasting use.

The frame is perfect for riders who are 4’0″ to 5’0″ tall, making it an excellent choice for both adults and kids aged 6 and up.

Simple and Efficient 7-Speed Drivetrain

Effortless gear changes are a must for any mountain bike, and the Mongoose Argus ST does not disappoint. Equipped with a 7-speed drivetrain and twist shifters, this bike allows for smooth transitions between gears, making it easy to adapt to various terrains.

We found it particularly useful when climbing hills or navigating through difficult terrain.

Reliable Mechanical Disc Brakes

Ensuring rider safety is a top priority, and the Mongoose Argus ST’s mechanical disc brakes provide quick and effective braking. These brakes perform consistently well, even in slippery conditions, giving us confidence in the bike’s stopping power.

The combination of fat tires and reliable brakes make this mountain bike a great option for those who prioritize safety and control.

In summary, the Mongoose Argus ST fat tire mountain bike offers a unique and versatile riding experience. Its fat tire design is perfect for tackling all terrains, while the sturdy steel frame ensures durability.

The 7-speed drivetrain and twist shifters make gear changes a breeze, and the reliable mechanical disc brakes provide safety and control. This bike is an excellent option for riders of varying ages and skill levels, making it a great choice for anyone looking to embark on some off-road adventures.

Riding Experience

Our riding experience with the Mongoose Argus ST was quite enjoyable. The fat tires provided excellent traction on various terrains, making it perfect for both beginners and experienced riders. It was comfortable and easy to control, and the mechanical disc brakes ensured reliable stopping power when needed.

The bike’s hardtail frame felt sturdy and responsive as we tackled the trails.

However, we noticed that some riders mentioned the need for a better suspension system, as the ride can be a bit hard over bumps. Additionally, the stock seat might be too firm for some, so you might want to consider upgrading it for a more comfortable ride.

Despite these minor issues, the overall riding experience was fun and engaging, making the Mongoose Argus ST a clear choice for those looking for a versatile fat-tire mountain bike.

Design and Build Quality

In our experience with the Mongoose Argus ST fat tire mountain bike, we found that it boasts a solid build quality with its 10.5-inch steel fat tire hardtail frame.

This frame offers a sturdy and stable riding experience that confidently tackles varied terrains. The frame material is alloy steel, ensuring durability for long-lasting use.

The bike has an appealing design with its sleek grey color, making it suitable for both men and women. One of the most striking features of this bike is the 20 x 4-inch knobby mountain fat tires, which not only look impressive but also provide excellent stopping power, tons of traction in sand and snow, and extra stability on tough trails.

Equipped with a 7-speed drivetrain, smooth gear changes are ensured through the twist shifters. As for braking, the mechanical disc brakes offer quick and effective stopping even in slippery conditions.

Mongoose has truly designed a bike that is not only eye-catching but also highly functional for all sorts of adventures on various surfaces.

Pros and Cons


Let us highlight the advantages of the Mongoose Argus ST Fat Tire Mountain Bike. First and foremost, we can’t ignore the fact that this bike is suitable for all types of terrain, thanks to its 20-26-inch fat tires.

The tires provide outstanding traction in sand and snow, giving us confidence during our trail rides. Many of us who are taller riders found that the 19-inch frame size is a perfect fit, offering a comfortable riding experience.

A great feature of this bike is its 10.5-inch steel fat tire hardtail frame that provides a stable and sturdy feel while riding. With 7-speed twist shifters, we experienced smooth gear changes, making it easy to adapt to different riding conditions.

The mechanical disc brakes are effective in providing quick braking, ensuring our safety even in slippery conditions.

From a young rider’s perspective, this bike has been particularly popular and appreciated by children and teenagers who have outgrown their older bikes but still want a cool ride. The fat tires make it a head-turner, and the functionality of the bike ensures they can keep up with family members on the trails.


We’ve also noticed a few drawbacks to the Mongoose Argus ST Fat Tire Mountain Bike. Some of us had to make small adjustments to enhance our comfort while riding the bike, such as raising the handlebar neck or changing the seat to a softer one.

We also found that the bike does not come with a kickstand, which made it difficult for us to park it securely.

Although the overall riding experience is enjoyable, we observed that it would benefit from an improved suspension system. The existing setup led to a harder ride on rough terrain, causing some discomfort during longer trail rides.

Weight-wise, the bike can feel heavy for younger riders, affecting their mobility in certain situations.

We also came across a few isolated instances of rims having paint flaws, which could expose the metal underneath. Additionally, some users experienced tire punctures on bumpy trails that caused rapid deflation. It’s important to keep an eye on the tires and take extra care when riding over challenging surfaces.

In conclusion, the Mongoose Argus ST Fat Tire Mountain Bike proves to be a great option for both beginner and experienced riders who are looking for an all-terrain bike with a striking appearance.

While the cons we mentioned may require some additional adjustments or maintenance, the pros undoubtedly make this bike an enjoyable ride.

Customer Reviews

We’ve been testing the Mongoose Argus ST mountain bike, and we’re not the only ones who find it impressive. Customers on Amazon have given it an outstanding 4.6 out of 5 stars from over 545 ratings. Let’s look at some key takeaways from their reviews:

  • Perfect Fit for All Ages and Sizes: Many owners express surprise at how well the bike fits them regardless of their height. Both youths and taller adults found the bike comfortable to ride.
  • A Head Turner: Customers mention that the bike’s eye-catching design and fat tires turn heads when they ride by.
  • Great for Kids and Trail Riding: Several parents purchased this bike for their children, enabling them to keep up on trails with the family, and the kids couldn’t be happier with the fat tires for added control.
  • A Few Shortcomings to Address: Some customers shared their experience with minor issues, such as the lack of a kickstand, a hard seat, and a low neck, but they were pleased with the bike’s overall performance and found it a minor inconvenience.
  • Good Value: Owners appreciate the bike’s quality and performance concerning its price, making it a great option for those looking for a fat tire mountain bike without breaking the bank.

Overall, we agree with the customers that the Mongoose Argus ST is worth considering for both adults and growing kids seeking a versatile and visually appealing fat tire mountain bike.


After thoroughly testing the Mongoose Argus ST Fat Tire Mountain Bike ourselves, we can confidently say that this bike is an amazing choice for both men and women who are looking to upgrade their trail riding experience.

The fat tires provide a smooth ride on various terrains, allowing users to conquer bumpy trails with ease. However, some users have mentioned a need for better suspension, so adjustments may be necessary depending on your personal preferences.

The mechanical disc brakes offer top-notch stopping power, ensuring your safety while riding. This bike has received high praise and positive reviews from the majority of its users. Some have reported minor concerns regarding the paint quality on the rear rim, though this doesn’t seem to be a widespread issue.

In conclusion, the Mongoose Argus ST Fat Tire Mountain Bike is a fantastic option for those who want quality and performance on the trails.

Keep in mind, that minor adjustments such as changing the seat or upgrading the suspension may be necessary according to personal preference. Overall, we believe you’ll be extremely satisfied with this high-performing, eye-catching mountain bike.

Click Here to find out more about the Mongoose Argus ST Fat Tire Mountain Bike. We found it to be an incredible ride for both young and adult cyclists.

Frequently Asked Questions

What are the differences between the Mongoose Argus Trail and the Dolomite ALX?

While both bikes fall under the Mongoose brand and are designed for off-road adventures, there are some key differences between the Argus Trail and Dolomite ALX.

The Argus series typically features more robust knobby, 4-inch wide fat mountain tires that provide excellent traction in various terrains, including snow. On the other hand, the Dolomite ALX series comes with slightly narrower tires but still provides exceptional traction on rough trails.

Additionally, the Argus series has a steel fat tire hardtail frame, while Dolomite ALX bikes usually have an aluminum frame, which makes them lighter.

What is the weight limit for the Mongoose Argus series?

The weight limit for the Mongoose Argus series of bikes may vary based on the specific model. However, most Argus bikes can accommodate riders up to 250 lbs. It’s always a good idea to consult the specific model’s owner’s manual or manufacturer’s website to confirm the weight limit to ensure a safe and comfortable riding experience.

How does the Mongoose Argus ST 26 perform on trails?

We found the Mongoose Argus ST 26 to be a great performer on various trails, thanks to its fat tire design and sturdy hardtail frame.

The 4-inch wide knobby tires provide excellent traction, making this bike easily adaptable to slippery weather and bumpy trails. The mechanical disc brakes further enhance ride safety by offering effective braking in challenging terrains.

Are Mongoose bikes suitable for professional cycling?

Mongoose is a well-reputed brand in the cycling world, and their bikes are indeed suitable for various skill levels, including professional cycling.

While the Mongoose Argus series is primarily designed for mountain biking and off-road adventures, the brand also offers road bikes and BMX models that cater to professional-level riders.

Can youth riders also use the Mongoose Argus ST & Trail mountain bikes?

Yes, youth riders can enjoy the Mongoose Argus ST and Trail mountain bikes as long as they meet the height and age requirements.

For example, the Mongoose Argus with 20-inch wheels is designed for riders 4’0″ to 5’0″ tall, making it perfect for ages 6 and up. As with any bike, it’s essential to choose the right size based on the rider’s age, height, and skill level to ensure a safe and enjoyable cycling experience.

Who is the manufacturer of Mongoose bikes sold at Walmart?

The Mongoose bikes sold at Walmart are manufactured by Pacific Cycle, a leading bicycle company that owns several popular brands, including Schwinn, Mongoose, and Kid Trax. Pacific Cycle is committed to providing quality bicycles with innovative designs at affordable prices for all levels of riders.

John Loyal

I'm a Mountain Bike enthusiast and am passionate about testing new Mountain Bike and electric Bike models and presenting the results of my findings.

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