---
product_id: 467570485
title: "Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue"
brand: "mongoose"
price: "€ 65.93"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/467570485-mongoose-legion-l80-freestyle-bmx-bike-for-advanced-level-riders
store_origin: IE
region: Ireland
---

# 20” x 2.3” wide tires on 36H aluminum rims 175mm tubular chromoly cranks with 25T chainring 4130 Chromoly frame for pro-grade durability Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue

**Brand:** mongoose
**Price:** € 65.93
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Own the park with pro-level precision and style! 🚴‍♀️

## Quick Answers

- **What is this?** Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue by mongoose
- **How much does it cost?** € 65.93 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/467570485-mongoose-legion-l80-freestyle-bmx-bike-for-advanced-level-riders)

## 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

- • **Precision Drivetrain:** Smooth, reliable 3-piece tubular chromoly cranks paired with a sealed bottom bracket for effortless power transfer.
- • **All-Terrain Ready Wheels:** Wide 20” x 2.3” tires on durable aluminum rims deliver grip and control on park, street, or dirt.
- • **Pro-Grade Chromoly Frame:** Ride with confidence on a 4130 chromoly front triangle built for advanced freestyle performance.
- • **Responsive Braking System:** Aluminum U-brake and levers provide precise speed control when landing your most daring tricks.
- • **Tailored Fit for Riders 5’6”–6’0”:** Optimized 20.75” top tube and 9” rise handlebars for perfect ergonomics and standout style.

## Overview

The Mongoose Legion L80 is a freestyle BMX bike engineered for advanced riders, featuring a durable 4130 chromoly frame, precision 175mm tubular cranks, and wide 20-inch tires on aluminum rims. Designed for park, street, and dirt riding, it offers responsive aluminum U-brakes and a rider-optimized geometry for heights between 5’6” and 6’0”. Ready to assemble and backed by a 5-year frame warranty, it’s the ultimate ride for those who demand performance and style.

## 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 L80 was designed to be a fully park, street and dirt worthy BMX bike. The Legion L80 frame features a professional-grade 4130 chromoly front triangle (20.75” top tube), removable brake mounts, mid BB shell, and removable break mounts. The L80 Hi-Ten steel 9” rise handlebar and 50mm stem are designed for precision riding, while the wide aluminum single wall 36H rims and 2.3” BMX tires offer grip and durability when landing a trick. The 25x9T gearing with 3-piece tubular chromoly 175 mm hollow spindle cranks and mid sealed bottom bracket offer a clean, reliable drivetrains. An aluminum U-brake with aluminum 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.

## Features

- L80 is a fully park, street or dirt worthy freestyle BMX bike, Hi-Ten steel 9 inch rise handlebar that will make you stand out at the bike park, Suggested rider height is 5’6” - 6'0".
- Ultra-durable Mongoose 4130 Chromoly front triangle, along with removable brake mounts and a mid BB shell, with a top tube length of 20.75 inches
- Drivetrain features 175 mm 3-piece tubular chromoly hollow spindle cranks with a 25T steel chainring and mid sealed bearing bottom bracket.
- Wheelset features 20” x 2.3” tires mounted on wide 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 4130 chromoly handlebar and fork are joined by a 50 mm stem and threadless sealed integrated headset for maximum steering performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range | Big Kid |
| Bike Type | BMX Bike |
| Brake Type | U Brake |
| Color | Dark Blue |
| Size | 20-Inch Wheels |
| Style | L80 |
| Frame Material | Chromoly Steel, Hi-Ten Steel |
| Material Type | other Steel |
| Number of Speeds | 1 |
| Power Source | Pedal power (human energy transferred through a drivetrain) |
| Features | Lightweight |
| Usage | Stunt riding, racing, freestyle |
| Suspension | Rigid |
| Wheel Size | 20 Inches |
| Included Components | Tool Kit |
| Brand | Mongoose |
| Department | unisex-adult |
| Manufacturer | Pacific Cycle, Inc. |
| Item model number | M41301U20OS |
| Product Dimensions | 62 x 23 x 135 cm; 12 kg |
| ASIN | B088NTLFH9 |

## Product Details

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

## Images

![Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue - Image 1](https://m.media-amazon.com/images/I/810-JzZ9JKL.jpg)
![Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue - Image 2](https://m.media-amazon.com/images/I/71VvrrAbs0L.jpg)
![Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue - Image 3](https://m.media-amazon.com/images/I/61kaaxt0S5L.jpg)
![Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue - Image 4](https://m.media-amazon.com/images/I/71lhXzOwLpL.jpg)
![Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Dark Blue - Image 5](https://m.media-amazon.com/images/I/713aQbCXsxL.jpg)

## Frequently Bought Together

- Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-06*