---
product_id: 309089908
title: "Mongoose Legion Freestyle BMX Bike Line for Kids, Youth and Beginner-Level to Advanced Adult Riders, 20-Inch Wheels, Steel Frame, Multiple Colors"
brand: "mongoose"
price: "₩2213450"
currency: KRW
in_stock: true
reviews_count: 1
category: "Mongoose"
url: https://www.desertcart.kr/products/309089908-mongoose-legion-freestyle-bmx-bike-line-for-kids-youth-beginner
store_origin: KR
region: South Korea
---

# 20-inch durable wheels 170mm forged steel cranks drivetrain Hi-Ten steel frame built to last Mongoose Legion Freestyle BMX Bike Line for Kids, Youth and Beginner-Level to Advanced Adult Riders, 20-Inch Wheels, Steel Frame, Multiple Colors

**Brand:** mongoose
**Price:** ₩2213450
**Availability:** ✅ In Stock

## Summary

> 🚀 Own the streets with the Mongoose Legion L20 – where beginner meets beast mode!

## Quick Answers

- **What is this?** Mongoose Legion Freestyle BMX Bike Line for Kids, Youth and Beginner-Level to Advanced Adult Riders, 20-Inch Wheels, Steel Frame, Multiple Colors by mongoose
- **How much does it cost?** ₩2213450 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/309089908-mongoose-legion-freestyle-bmx-bike-line-for-kids-youth-beginner)

## 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

- • **Grip & Stability:** Wide 20” x 2.3” BMX tires on aluminum 36H rims provide superior traction on street, park, and dirt trails.
- • **Precision Control:** Aluminum U-brake and brake levers deliver responsive stopping power for confident street and park maneuvers.
- • **Optimized Ride Fit:** 20.25-inch top tube and 20-inch wheels designed for riders 4’8” to 5’4” for perfect control and comfort.
- • **Smooth Power Transfer:** One-piece 170mm forged steel cranks paired with a 25T alloy chainring ensure efficient, reliable pedaling.
- • **Street-Ready Durability:** Hi-Ten steel frame and fork engineered for lasting freestyle performance and rugged urban riding.

## Overview

The Mongoose Legion L20 is a versatile freestyle BMX bike designed for beginner to intermediate riders between 4’8” and 5’4”. Featuring a durable Hi-Ten steel frame, 20-inch wheels with wide BMX tires, and a high-performance drivetrain with forged steel cranks, it offers reliable control and durability for street, park, and dirt riding. Equipped with precision aluminum U-brakes and a responsive handlebar setup, this bike balances performance and comfort, backed by a 5-year frame warranty.

## Description

For 45 years, Mongoose has been in the dirt, down the trails, and on the ramps. With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L20 was designed to be a fully park, street and dirt worthy BMX bike. The Legion L20 features a Hi-Ten steel frame (20.25” top tube), tapered headtube, and removable brake mounts. The L20 Hi-Ten steel 8” rise handlebar and 48mm stem are designed for precision riding, while the wide aluminum single wall 36H rims and 2.3” BMX tires offer grip and durability. The 25x9T gearing with one-piece tubular chromoly 170mm hollow spindle cranks and American loose ball bottom bracket offer a clean, reliable drivetrains. An alloy U-brake with alloy brake levers provide speed control, while the Hi-Ten Steel BMX fork with 1-1/8" threadless steerer and taper leg helps maximize performance. This bike ships ready to be assembled and comes with a 5-year limited warranty on the frame and a 1-year limited warranty on parts.

Review: For beginners is good - This is not professional bike for sure but for beginners its ok

## Features

- L20 is a stylish freestyle BMX bike that offers everything a beginning rider needs to hit the streets and pop off curbs, Suggested rider height is 4’8”-5’4”
- Built to last with its Hi-Ten steel frame, removable brake mounts, and a top tube length of 20.25 inches
- Boasts a high-performance drivetrain equipped with 170mm one-piece forged steel cranks, a 25T alloy chainring, and an American loose ball bottom bracket
- Wheelset is equipped with 20” x 2.3” tires mounted on aluminum single wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub
- Aluminum U-brake and brake levers provide precision speed control, while the Hi-Ten steel handlebar and fork are joined by a 50mm stem and threadless sealed integrated headset for maximum steering performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W5KNZZX |
| Additional Features | Aluminum Frame, BMX, freestyle |
| Age Range Description | Big Kid |
| Age range (description) | Big Kid |
| Best Sellers Rank | #45,197 in Sporting Goods ( See Top 100 in Sporting Goods ) #7 in BMX Bikes |
| Bike Type | BMX Bike |
| Bike type | BMX Bike |
| Brake Style | U Brake |
| Brand | Mongoose |
| Brand Name | Mongoose |
| Color | Grey |
| Colour | Grey |
| Customer Reviews | 4.3 out of 5 stars 3,192 Reviews |
| Frame Material Type | High Tensile Steel |
| Global Trade Identification Number | 00038675187184 |
| Included Components | Mongoose Legion L20 Freestyle BMX Bike |
| Is Assembly Required | Yes |
| Item Type Name | BMX Freestyle Bike |
| Item Weight | 12 Kilograms |
| Item height | 124 centimeters |
| Manufacturer | Pacific Cycle, Inc. |
| Minimum User Height | 48 Inches |
| Model Name | Legion Intermediate |
| Model Number | M41800U20OS-PC |
| Model Year | 2020 |
| Number Of Speeds | 1 |
| Number of Handles | 1 |
| Number of speeds | 1 |
| Power Source | Pedal power (human energy transferred through a drivetrain) |
| Seat Material | Fabric or Plastic |
| Size | 20-Inch Wheels L20 |
| Skill Level | Intermediate |
| Specific Uses For Product | Trail |
| Style Name | L20 |
| Suspension Type | Rigid |
| Theme | BMX Freestyle |
| UPC | 038675187184 |
| Wheel Material | Aluminum |
| Wheel Size | 20 Inches |
| Wheel size | 20 Inches |

## Product Details

- **Age range (description):** Big Kid
- **Bike type:** BMX Bike
- **Brand:** Mongoose
- **Colour:** Grey
- **Number of speeds:** 1

## Images

![Mongoose Legion Freestyle BMX Bike Line for Kids, Youth and Beginner-Level to Advanced Adult Riders, 20-Inch Wheels, Steel Frame, Multiple Colors - Image 1](https://m.media-amazon.com/images/I/71DAu43Uj0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ For beginners is good
*by V***M on 6 April 2024*

This is not professional bike for sure but for beginners its ok

## Frequently Bought Together

- Mongoose Legion Kids Freestyle BMX Bike, Intermediate Rider, Boys and Girls Bikes, 20-Inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-25*