Mongoose LilGoose 12'' Kids Bike Purple

Name: Mongoose LilGoose 12'' Kids Bike Purple
Brand: Mongoose
SKU: 3LU3IU67
Price: 349.00 NZD
Availability: InStock

Brand: Mongoose

SKU: 3LU3IU67

$349.00 Full price

$349.00

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$399.00 Full price

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Product Details

Description

The Mongoose LilGoose Kids Bike is a lightweight, kid-friendly ride built on an alloy frame with 12-inch kids geometry, helping children feel more in control from the start. With a steel fork and reliable braking (front caliper plus a rear coaster brake), it offers confident stopping for everyday adventures. The single-speed setup makes it simple to ride, while kids grips and an integrated saddle keep things comfortable as they build skills. It is perfect for park loops, driveway practice, and becoming more independent on two wheels.

Key Features

Alloy frame with 12-inch kids geometry
Steel fork for smooth, steady handling
Front caliper and rear coaster brakes
Single-speed ride with 24T chainring
Kids grips and integrated saddle

Specifications

Product Overview

Product

Mongoose LilGoose 12'' Kids Bike Purple

Brand

Mongoose

Supplier SKU

MGM55303F10OS

Year Model

2026

Product Features

Frame Material

Alloy

Frame Style

Crossbar

Colour

Purple

Wheel Size

12"

Brake Type

Coaster w/ Front V-Brake

Gears

1 x 1

Fork Material

Steel

Pedals Included

true

Build

Frame

Tectonic T1, Aluminium, 12" Kids geometry, 100 mm dropout

Fork

Mongoose, 12", Steel Steerer, 100 mm, bolt-on

Handlebars

Mongoose, Hi-Ten Steel, 500 mm width, 130 mm rise, 22.2 mm clamp

Headset

Threaded, EC22.2/27, retainer bearing

Grips

Mongoose, Kids

Stem

Aluminum/Steel, Quill, 30 mm ext., 22.2 mm clamp

Bottom Bracket

Internal, 1-Piece, American, 68 mm shell

Pedals

Kids, Plastic

Saddle

Mongoose Kids, Integrated Rails

Seat Post

Aluminum, Integrated Saddle, 25.4 mm

Wheels

Wheel Size

12"

Rims

Aluminum Single Wall, 16H

Hubs

Steel, 3/8 In Axle, 16H

Tyres

Mongoose, 12 in x 2.125 in, Wire bead

Groupset

Crankset

1-Piece Forged Steel 89 mm, 24T Steel chainring

Chain

KMC Z410

Brakes

F: Aluminum Caliper / R: Steel Coaster Brake

Cassette

Single Speed

Cassette Model

Single-Speed, 16T

Frequently Asked Questions

What is the Mongoose LilGoose 12'' Kids Bike used for?

The Mongoose LilGoose Kids Bike is used for everyday kids bike riding like neighbourhood trips, park fun, and building confidence during early practice sessions.

Why choose the Mongoose LilGoose 12'' Kids Bike?

Choose the Mongoose LilGoose Kids Bike for its durable alloy frame, smooth handling from the steel fork, and dependable braking that suits learning riders.

Who is the Mongoose LilGoose 12'' Kids Bike designed for?

The Mongoose LilGoose Kids Bike is designed for kids who are ready to ride their first real bike or level up from scooter to bike skills, typically benefiting from a 12-inch kids geometry fit.

Find Your Size

Step 1: Measure your height

Take off your shoes
Stand with your back straight against a wall
Balance a book on your head to mark your height on the wall
Measure your height by the distance from the floor to the mark

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Step 2: Adjust your inseam

Based on your height, we’ve calculated a starting point.
You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
Inseam typically falls with 5cm of the average.

Your inseam: