Mongoose LilGoose 12'' Kids Bike Green/Black

Mongoose LilGoose 12'' Kids Bike Green/Black

Name: Mongoose LilGoose 12'' Kids Bike Green/Black
Brand: Mongoose
SKU: JPAEOEW0
Price: 349.00 NZD
Availability: InStock

Brand: Mongoose

SKU: JPAEOEW0

$349.00 Full price

$349.00

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$399.00 Full price

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Product Details

Description

The Mongoose LilGoose 12 inch Kids Bike is built for confident first rides, with an alloy frame and 12 inch kids geometry that helps little riders find their balance quickly. Its steel fork and supportive wheel and tyre setup make everyday trips around the neighbourhood feel steady and fun. With a front caliper brake plus a coaster rear brake, kids can learn control while parents get peace of mind. It is ideal for beginners who want to practise cycling basics, and it pairs perfectly with kids helmets and a good set of scooter grips-style handling habits when they switch between wheels and balance toys.

Key Features

Alloy frame with 12 inch kids geometry
Steel fork for smooth, stable rides
Front caliper and coaster rear braking
Single-speed setup for easy learning
Kids-specific comfort cockpit and pedals

Specifications

Product Overview

Product

Mongoose LilGoose 12'' Kids Bike Green/Black

Brand

Mongoose

Supplier SKU

MGM55303M20OS

Year Model

2026

Product Features

Frame Material

Alloy

Frame Style

Crossbar

Colour

Green

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 12 inch Kids Bike is used for helping kids learn to ride, practise balance and braking, and enjoy short rides around home or the local park.

Why choose the Mongoose LilGoose 12'' Kids Bike?

Choose the Mongoose LilGoose 12 inch Kids Bike for its kid-friendly geometry, reliable single-speed setup, and dependable front and rear braking that supports safer progress.

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

The Mongoose LilGoose 12 inch Kids Bike is designed for kids who are starting out on their first kids bike, especially those getting familiar with how a proper bike feels underfoot.

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: