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Mongoose Legion L10 BMX Bike Charcoal

Brand: Mongoose

SKU: MGM41363U10OS

Size: 20inch

20inch

$349.00 Full price

$349.00

Club price

$429.00 Full price

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Steel Frame/ Steel Fork

20" Wheel Size

Rim Brake

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Product Details

Description

The Mongoose Legion L10 BMX Bike is ideal for beginners entering the BMX scene. It features a durable Hi-Ten steel frame and BMX freestyle geometry for excellent control and stability. The bike includes an efficient U-brake system for quick stopping and a sturdy 1-piece forged steel crankset for dependable performance. Lightweight aluminum rims and 20" x 2.35" tires are designed to help young riders gain confidence while learning tricks and jumps.

Key Features

Hi-Ten steel frame for durability
BMX freestyle geometry for improved handling
U-brake system for reliable stopping power
1-piece forged steel crankset for strength
Lightweight aluminum rims for agility

Specifications

Product Overview

Product

Mongoose Legion L10 BMX Bike Charcoal

Brand

Mongoose

Parent SKU

Mongoose25LegionL10Charcoal

SKU

Mongoose25LegionL10Charcoal

Size SKUs

20inch: MGM41363U10OS

Matrix Barcodes

20inch: 0038675272521

Year Model

2025

Product Features

Frame Material

Steel

Colour

Black

Wheel Size

20"

Brake Type

Rim Brake

Fork Material

Steel

Build

Frame

Hi-Ten steel, BMX freestyle geometry

Fork

Hi-Ten steel

Handlebars

Mongoose, Hi-Ten steel, 28.25 in width, 8.25 in rise

Headset

Threadless, 1-1/8" external, retainer bearing

Grips

Mongoose Mush, 145 mm

Stem

Mongoose, threadless top load, 40 mm

Bottom Bracket

American loose ball

Pedals

Mongoose, nylon

Saddle

Mongoose, steel rails

Seat Post

Steel, 250 mm, 25.4 mm

Wheels

Wheel Size

20"

Rims

Aluminum single wall, 32 mm ID, 36H

Hubs

Steel

Tyres

20 in x 2.35 in, wire bead

Spokes

14G, steel, black

Groupset

Crankset

1-piece, forged steel, 25T steel chainring

Chain

KMC S1

Brakes

U-brake, aluminum

Cassette

Single Speed

Frequently Asked Questions

What is the Mongoose Legion L10 used for?

The Mongoose Legion L10 is primarily used for BMX freestyle riding, allowing young riders to practice tricks, jumps, and stunts safely.

Why choose the Mongoose Legion L10?

Choose the Mongoose Legion L10 for its durable construction and freestyle geometry, making it ideal for beginner BMX riders. Its lightweight design and reliable braking system enhance the overall riding experience.

Who is the Mongoose Legion L10 designed for?

The Mongoose Legion L10 is designed for young riders, typically aged 5 to 7 years old, who are looking to start their BMX journey. It caters to beginners eager to develop their skills and enjoy the excitement of BMX riding.

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PERFECT RIDE GUARANTEE

If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

FREE BIKE BUILD

We'll build your bike for free when you click and collect at any 99 Bikes store.

FIRST FREE TUNE-UP

Every bike comes with a complimentary free tune-up and safety check. Learn more »

Built for Aspiring BMX Riders

The Legion L10 features a sturdy Hi-Ten steel frame that ensures long-lasting durability. Its perfect for young enthusiasts eager to explore BMX riding and learn new skills.

Freestyle Geometry for Enhanced Control

With its BMX freestyle geometry, the Mongoose Legion L10 allows for excellent maneuverability. This design helps riders easily navigate ramps and perform tricks, boosting their confidence on the bike.

Reliable Braking Performance

The Mongoose Legion L10 is equipped with an aluminum U-brake for dependable stopping power. Riders can feel secure knowing they can control their speed and stop effectively while practicing their stunts.

20inch

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Mongoose Legion L10 BMX Bike Charcoal geometry diagram

Legend

ST Seat Tube
STA Seat Tube Angle
R Reach
TT Top Tube
BD Bottom Bracket Drop
S Stack
CS Chain Stay Length
HT Head Tube
WB Wheel Base
HTA Head Tube Angle
FL Fork Length

Wheel Size

20"

Stack

Reach

Top Tube Length

Seat Tube Length

Seat Tube Angle

Fork Length

Head Tube Length

Head Tube Angle

Handlebar Height

Bottom Bracket Drop

Chainstay Length

Wheelbase

Standover Height

Minimum Seat Height

Maximum Seat Height

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