---
product_id: 148725774
title: "Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels"
brand: "mongoose"
price: "€ 1476.85"
currency: EUR
in_stock: true
reviews_count: 12
category: "Mongoose"
url: https://www.desertcart.com.cy/products/148725774-mongoose-legion-freestyle-bmx-bike-for-advanced-level-or-professional
store_origin: CY
region: Cyprus
---

# 4130 Chromoly steel frame - ultra durable 20" x 2.3" wide tires on 36H aluminum rims - stable grip 175mm tubular chromoly cranks - precision power Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels

**Brand:** mongoose
**Price:** € 1476.85
**Availability:** ✅ In Stock

## Summary

> 🔥 Own the park with the Mongoose Legion L80 – where durability meets style! 🚀

## Quick Answers

- **What is this?** Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels by mongoose
- **How much does it cost?** € 1476.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/148725774-mongoose-legion-freestyle-bmx-bike-for-advanced-level-or-professional)

## 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:** 175mm tubular chromoly cranks paired with a sealed mid bottom bracket for smooth, efficient pedaling.
- • **Versatile 20-Inch Wheels:** Wide 2.3" tires on robust aluminum rims deliver superior control on street, park, or dirt.
- • **Responsive Aluminum U-Brakes:** Engineered for sharp, reliable stopping power to keep you in control at every turn.
- • **Pro-Grade 4130 Chromoly Frame:** Built to withstand the toughest tricks and terrains with lightweight strength.
- • **Optimized for Riders 5’6" to 6’0":** Perfectly sized with a 20.75" top tube for confident handling and comfort.

## Overview

The Mongoose Legion L80 is a freestyle BMX bike designed for advanced riders seeking a durable, high-performance ride. Featuring a 4130 chromoly steel frame, 20-inch wide tires on aluminum rims, and a precision drivetrain with tubular chromoly cranks, it excels in street, park, and dirt environments. With responsive aluminum U-brakes and a rider-optimized frame size, it offers both control and comfort. Ideal for riders between 5’6" and 6’0", this bike combines pro-level specs with a competitive price point, making it a standout choice for serious BMX enthusiasts.

## Description

desertcart.com : Mongoose Legion L80 Freestyle BMX Bike for Advanced-Level Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels, Red : Sports & Outdoors

Review: Good purchase. - Good quality, easy to put together. Haven’t had a chance to ride yet cause it’s been very cold but I’m happy with my purchase. Got it on some kind of sale for $320. Can’t beat that.
Review: Solid deal if catching it when the price is right. - This review is coming from someone who has riden bmx for over 20 years, and has worked in or been a part of the bmx industry for over a 15 years now. So I know a a few things when it comes to high end, low end and everything in between. With that out of that way, let me say this, the L100 has a lot of good going for it. If managing to catch it for under $400 you can't go wrong. The full 4130 chromoly frame fork and bars is a huge step in the right direction and an excellent starting foundation if wanting to upgrade the bike in the future. The sealed rear wheel, mid bottom bracket, and internal headset are also nice, but I'll touch on those in a bit. The frame accommodates wide tires, I've pictured a 2.4" eclat fireball in the rear. The forks also have ample space for large tires as well. Stock pivotal seat is pretty comfy. Brakes feel pretty solid for stock brakes. Now, where the bike does fall short. The front wheel, it's unsealed. At the original asking price, there are other bike companies out there in this price range offering better specs. So I would have liked to see a sealed hub here. Now, the rims on these bikes are pinned instead of welded. While not a huge deal when you take in to account who this bike is marketed to, it's still something to make note of. The sprocket suffers from the "mass produced quickly" so it was rather bent causing some tight spots. Usually this is something you can't avoid on complete bikes like this. Stock chain is dainty, so I upgraded to a shadow v2 half link. There was grease on the clamp area of the stem where the bars go. I've never in my life greased that area, and I definitely recommend anyone gets one to check it before slapping the bars on. All in all, I purchased this for my wife to pedal around with me at skateparks so I wasn't expecting to be wowed. However I wasn't let down by the quality. Mongoose may be known as a department store brand, but they do have quite the bmx heritage. I think if you can score this bike on a deep discount, or sale and swap out the wheels, chain, perhaps stem and cranks at some point. You'll have a solid bike. Straight out of the bike, it's great for beginnera and intermediate or that old guy getting back in to it after years off the bike. Also, one thing to note, some of reviews are of people who bought a bmx bike and don't really understand what they bought. So for those reviews noting the chain guard or a kick stand. This isn't meant for a kickstand. And the chain guard is there because it has to be, you really aren't expected to keep it on the bike.

## 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 |
|---------------|-------|
| ASIN | B07W5KNZZV |
| Age Range (Description) | Big Kid |
| Assembly Required | Yes |
| Best Sellers Rank | #79,258 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in BMX Bikes |
| Bicycle Drivetrain Type | Single-speed |
| Bike Type | BMX Bike |
| Brake Style | U Brake |
| Brand | Mongoose |
| Brand Name | Mongoose |
| Color | Red |
| Customer Reviews | 4.2 4.2 out of 5 stars (776) |
| Date First Available | August 6, 2019 |
| Frame Material | Chromoly Steel |
| Frame Size | 20.75 inches |
| Frame Type | Diamond |
| Global Trade Identification Number | 00038675187092 |
| Grip Type | Mongoose MushXL, 160 mm |
| Included Components | Mongoose Legion L80 Freestyle BMX Bike |
| Item Dimensions LxWxH | 23.62 x 8.66 x 48.82 inches |
| Item Package Dimensions L x W x H | 48.75 x 23 x 8.5 inches |
| Item Weight | 26.46 Pounds |
| Manufacturer | Pacific Cycle, Inc. |
| Material | steel |
| Minimum User Height | 66 Inches |
| Model Name | Legion BMX |
| Number of Items | 1 |
| Number of Speeds | 1 |
| Package Weight | 15.69 Kilograms |
| Part Number | M41300U10OS-PC |
| Power Source | manual |
| Seat Material Type | Leather |
| Size | 20-Inch Wheels |
| Special Feature | Aluminum Frame, BMX, freestyle |
| Specific Uses For Product | Trail |
| Style | L80 |
| Suggested Users | unisex-adult |
| Suspension Type | Rigid |
| UPC | 038675187092 |
| Warranty Description | Limited lifetime warranty on frame and one year warranty on parts |
| Warranty Type | Limited |
| Wheel Material | Aluminum |
| Wheel Size | 20 Inches |
| Year | 2020 |

## Product Details

- **Age Range (Description):** Big Kid
- **Bike Type:** BMX Bike
- **Brand:** Mongoose
- **Color:** Red
- **Frame Material:** Chromoly Steel
- **Included Components:** Mongoose Legion L80 Freestyle BMX Bike
- **Number of Speeds:** 1
- **Special Feature:** Aluminum Frame, BMX, freestyle
- **Suspension Type:** Rigid
- **Wheel Size:** 20 Inches

## Images

![Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels - Image 1](https://m.media-amazon.com/images/I/81k-W7fddZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good purchase.
*by J***E on February 14, 2026*

Good quality, easy to put together. Haven’t had a chance to ride yet cause it’s been very cold but I’m happy with my purchase. Got it on some kind of sale for $320. Can’t beat that.

### ⭐⭐⭐⭐⭐ Solid deal if catching it when the price is right.
*by K***I on February 24, 2023*

This review is coming from someone who has riden bmx for over 20 years, and has worked in or been a part of the bmx industry for over a 15 years now. So I know a a few things when it comes to high end, low end and everything in between. With that out of that way, let me say this, the L100 has a lot of good going for it. If managing to catch it for under $400 you can't go wrong. The full 4130 chromoly frame fork and bars is a huge step in the right direction and an excellent starting foundation if wanting to upgrade the bike in the future. The sealed rear wheel, mid bottom bracket, and internal headset are also nice, but I'll touch on those in a bit. The frame accommodates wide tires, I've pictured a 2.4" eclat fireball in the rear. The forks also have ample space for large tires as well. Stock pivotal seat is pretty comfy. Brakes feel pretty solid for stock brakes. Now, where the bike does fall short. The front wheel, it's unsealed. At the original asking price, there are other bike companies out there in this price range offering better specs. So I would have liked to see a sealed hub here. Now, the rims on these bikes are pinned instead of welded. While not a huge deal when you take in to account who this bike is marketed to, it's still something to make note of. The sprocket suffers from the "mass produced quickly" so it was rather bent causing some tight spots. Usually this is something you can't avoid on complete bikes like this. Stock chain is dainty, so I upgraded to a shadow v2 half link. There was grease on the clamp area of the stem where the bars go. I've never in my life greased that area, and I definitely recommend anyone gets one to check it before slapping the bars on. All in all, I purchased this for my wife to pedal around with me at skateparks so I wasn't expecting to be wowed. However I wasn't let down by the quality. Mongoose may be known as a department store brand, but they do have quite the bmx heritage. I think if you can score this bike on a deep discount, or sale and swap out the wheels, chain, perhaps stem and cranks at some point. You'll have a solid bike. Straight out of the bike, it's great for beginnera and intermediate or that old guy getting back in to it after years off the bike. Also, one thing to note, some of reviews are of people who bought a bmx bike and don't really understand what they bought. So for those reviews noting the chain guard or a kick stand. This isn't meant for a kickstand. And the chain guard is there because it has to be, you really aren't expected to keep it on the bike.

### ⭐⭐⭐⭐ Great Ride – Perfect for Jumps and Cruising!
*by D***N on May 19, 2025*

The Mongoose Legion L100 was pretty easy to put together, even though the directions could’ve been a little clearer. Thankfully, most of it is self-explanatory. Once assembled, the bike rides fantastic — super smooth and the seat is surprisingly comfortable for a BMX. It’s held up great for jumps and is perfect for both freestyle tricks and casual riding. Definitely a great value for the quality!

## 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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- Mongoose Legion Kids Freestyle Sidewalk BMX Bike, Beginner Riders, Boys and Girls, 16-20-inch Wheels, Hi-Ten Steel Frame, Micro Drive BMX Gearing

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-04*