Mongoose Argus ST Fat Mountain Bike, 20-Inch Wheels, 7 Speed, Grey/ Black
Mongoose Argus ST Fat Mountain Bike, 20-Inch Wheels, 7 Speed, Grey/ Black
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Mongoose Argus ST Fat Mountain Bike, 20-Inch Wheels, 7 Speed, Grey/ Black

|19 ratings

Key item features

  • Fat tire mountain bike for all-terrain adventures. Fits riders ages 6 and up, or 52 to 60 inches tall.
  • 7-speed twist shifter makes it easy to adapt to your terrain.
  • Mechanical disc brakes supply quick, effective braking even in slippery conditions.
  • Steel fat tire hardtail frame and provides a strong, stable ride.
  • 20 x 4 inch knobby mountain fat tires provide excellent stopping power and tons of traction in sand and snow.

Specs

Bicycle type, Fat Tire BikesFrame size, 10.5 inWheel size, 20 inAge group, ChildGender, UnisexColor, Gray

About this item

Product details

Mongoose Argus ST Fat Mountain Bike, 20-Inch Wheels, 7 Speed, Grey/ Black


The world of fat bike adventures is waiting... get in on the fun with the Argus fat tire mountain bike by Mongoose. This fat bike comes with a Mongoose youth MTB steel fat tire hardtail provides a strong, stable ride. The 7-speed drivetrain offers ideal gearing for varied terrain. There are mechanical disc brakes to supply quick, effective braking even in slippery weather on bumpy trails. But let's be real, the tires are the star of the show. Knobby, oversized 4-inch wide fat mountain tires provide tons of traction, quicker stopping power and extra stability on tough trails. You don't need anyone to tell you how awesome they look. From rocky singletrack to snowy hills, the Argus by Mongoose is built to handle it all. View more from us on our brand page.
  • Fat tire mountain bike for all-terrain adventures. Fits riders ages 6 and up, or 52 to 60 inches tall.
  • 7-speed twist shifter makes it easy to adapt to your terrain.
  • Mechanical disc brakes supply quick, effective braking even in slippery conditions.
  • Steel fat tire hardtail frame and provides a strong, stable ride.
  • 20 x 4 inch knobby mountain fat tires provide excellent stopping power and tons of traction in sand and snow.
info:
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Specifications

Bicycle type

Fat Tire Bikes

Frame size

10.5 in

Wheel size

20 in

Age group

Child

Warranty

Warranty information

5 year limited warranty on frame. 1 year limited warranty on parts. 30 day limited warranty on wearable parts.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.6 out of 5 stars
stars
19 ratings7 reviews
Includes global ratings and reviews
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Showing 1-3 of 7 reviews

Dec 26, 2025
Reviewer name: Jeremy 67
5 out of 5 stars
5 out of 5 stars review

It's got six gears and big tires

The best bike ever it go's over every thing I got it for my son he loves it he got it for Christmas gift he gets on it every day after school it has six gears.

Review from Pacific Cycle Inc.
Helpful?292AYKAZTLPT331418908
Dec 18, 2025
Reviewer name: R. Aguilar
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Awesome bike!

I took this bike on trails and it performed flawlessly. I didn't get stuck and it powered through some brush.

Review from Pacific Cycle Inc.
Helpful?292AYKAZTLPT331418908
Dec 22, 2025
Reviewer name: JGGMD
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Easy to assemble

Heavy bike but easy to assemble and will be enjoyed by my kid.

Review from Pacific Cycle Inc.
Helpful?292AYKAZTLPT331418908
Current price is $329.99
Price when purchased online
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Sold and shipped by PACIFIC CYCLE INC.Pro Seller
4.506329113924051 out of 5 stars
4.5 stars out of 5, based on 237 seller reviews(4.5)
Extended holiday returns
Free Holiday returns until Jan 31