---
product_id: 485553586
title: "Argus ST Kids/Youth/Adult Fat Tire Mountain Bike, 20-26-Inch Wheels, Mechanical Disc Brakes, Multiple Colors"
brand: "mongoose"
price: "VT767886"
currency: VUV
in_stock: true
reviews_count: 5
category: "Mongoose"
url: https://www.desertcart.vu/products/485553586-argus-st-kids-youth-adult-fat-tire-mountain-bike-20
store_origin: VU
region: Vanuatu
---

# Mechanical disc brakes for reliable stopping power 20 x 4 inch knobby fat tires for ultimate traction 7-speed twist shifters for smooth gear changes Argus ST Kids/Youth/Adult Fat Tire Mountain Bike, 20-26-Inch Wheels, Mechanical Disc Brakes, Multiple Colors

**Brand:** mongoose
**Price:** VT767886
**Availability:** ✅ In Stock

## Summary

> 🚵‍♀️ Ride Bold. Ride Ready. Own Every Trail.

## Quick Answers

- **What is this?** Argus ST Kids/Youth/Adult Fat Tire Mountain Bike, 20-26-Inch Wheels, Mechanical Disc Brakes, Multiple Colors by mongoose
- **How much does it cost?** VT767886 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/485553586-argus-st-kids-youth-adult-fat-tire-mountain-bike-20)

## Best For

- mongoose enthusiasts

## Why This Product

- Trusted mongoose brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable 10.5-inch alloy steel hardtail frame ensures stability and longevity for riders aged 6 and up.
- • **Effortless Control:** 7-speed twist shifters let you seamlessly adapt to every incline and descent.
- • **Conquer Any Terrain:** Oversized 4-inch fat tires deliver unmatched grip on sand, snow, and rocky trails.
- • **Safety First, Always:** Mechanical disc brakes provide quick, confident stops even in slippery conditions.
- • **Ready to Ride Out of the Box:** No assembly required—just hop on and join the adventure.

## Overview

The Mongoose Argus ST is a versatile fat tire mountain bike designed for youth to adult riders between 4'0" and 5'0" tall. Featuring a rugged 10.5-inch alloy steel hardtail frame, 7-speed drivetrain with twist shifters, and mechanical disc brakes, it delivers reliable performance across diverse terrains. Its 20 x 4 inch knobby fat tires provide superior traction and stability on sand, snow, and rocky trails, making it the perfect all-terrain companion for beginners and intermediate riders alike.

## Description

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.

Review: excelente bicicleta, muy recomendable.
Review: Great Bike has lasted 5 years and going strong

## Features

- Fat tire mountain bicycle perfect for all-terrain adventures, 20-inch wheels that fit to riders 4'0" to 5'0" tall, perfect for ages 6 and up
- 10.5-Inch steel fat tire hardtail frame provides a sturdy and stable riding experience
- 7-speed, twist shifters provide smooth gear changes
- Mechanical disc brakes supply quick, effective braking even in slippery conditions
- 20 x 4 inch knobby mountain fat tires provide excellent stopping power and tons of traction in sand and snow

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086QKX9C6 |
| Additional Features | fat tire, mountain bike |
| Age Range Description | Adult |
| Bicycle Drivetrain Type | Derailleur |
| Bicycle Gear Shifter Type | Twist Grip |
| Bike Type | Mountain Bike |
| Brake Style | Disc |
| Brand Name | Mongoose |
| Color | Grey |
| Customer Reviews | 4.4 4.4 out of 5 stars (344) |
| Derailleur Configuration | Front and Rear |
| Frame Material Type | Alloy Steel |
| Included Components | Bike |
| Intended Riding Terrain | Mountain Terrain, Unpaved Trails |
| Is Assembly Required | No |
| Is Autographed | No |
| Item Type Name | Fat Tire Bike |
| Item Weight | 30 Pounds |
| Manufacturer | Pacific Cycle, Inc. |
| Maximum Weight Recommendation | 200 Pounds |
| Minimum User Height | 122 Centimeters |
| Model Name | Argus |
| Model Number | R1972AZ |
| Model Year | 2021 |
| Number Of Speeds | 7 |
| Number of Handles | 1 |
| Power Source | Pedal power |
| Seat Material | Vinyl or faux leather |
| Size | 10.5-Inch Frame |
| Skill Level | Beginner to Intermediate |
| Specific Uses For Product | Trail |
| Style Name | St |
| Suspension Type | Rigid |
| Theme | Bicycle |
| UPC | 038675223646 |
| Unit Count | 1 Count |
| Warranty Description | Limited Lifetime |
| Warranty Type | Limited |
| Wheel Material | Rubber |
| Wheel Size | 20 Inches |

## Product Details

- **Age range (description):** Adult
- **Bike type:** Mountain Bike
- **Brand:** Mongoose
- **Colour:** Grey
- **Number of speeds:** 7

## Images

![Argus ST Kids/Youth/Adult Fat Tire Mountain Bike, 20-26-Inch Wheels, Mechanical Disc Brakes, Multiple Colors - Image 1](https://m.media-amazon.com/images/I/91xfK1uKevL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***S on 20 July 2021*

excelente bicicleta, muy recomendable.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 1 January 2026*

Great Bike has lasted 5 years and going strong

### ⭐⭐⭐⭐⭐ Review
*by K***N on 7 October 2020*

This bike is unbelievable....extremely cool with the fat tires...n disk brakes that stop on the dime. Very easy assemble n super fast delivery.

## Frequently Bought Together

- Mongoose Argus ST & Trail Fat Tire Mountain Bike for Adult Youth Men Women, 20 to 26-Inch Wheels, Mechanical Disc Brakes, Steel or Aluminum Frame and 7 or 16-Speed Options
- Ascher Ultra Bright USB Rechargeable Bike Light Set, Powerful Bicycle Front Headlight and Back Taillight, 4 Light Modes, Easy to Install for Men Women Kids Road Mountain Cycling Black
- Comfortable Seat Cushion for Men Women with Dual Shock Absorbing Ball Memory Foam Waterproof Wide Bicycle Saddle Fit for Road Bikes

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**Shop now:** [https://www.desertcart.vu/products/485553586-argus-st-kids-youth-adult-fat-tire-mountain-bike-20](https://www.desertcart.vu/products/485553586-argus-st-kids-youth-adult-fat-tire-mountain-bike-20)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-12*