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<p>Choose the correct helmet size for your child by using our Helmet Size Guide to help you correctly measure your child&apos;s head.</p><p><img src="https://uploads.gorgias.io/g5KDM28vVdx9aByw/Helmet_Size_Guide_2-7f6a5884-cd00-4087-add4-fab1fe1af541.png" style="width: 691px;" class="fr-fic fr-dib"></p>

Choose the correct helmet size for your child by using our Helmet Size Guide to help you correctly measure your child's head.

Helmet Size Guide

Product Help

Helmets

AIRO 12" FAQs

AIRO how to videos

AIRO Instruction Manual

AIRO 12"

AIRO 14" FAQs

AIRO 14" Instruction Manual

AIRO 14"

AIRO

Do mudguards and a kickstand come with the bike?

Can stabilisers be fitted to HERO?

What size HERO should I get?

What does the lifetime warranty cover?

How high should the seat be?

What should the tyre pressure be?

Does HERO come ready to ride?

When will my HERO be delivered?

What bike pump does HERO need?

What size packaging will my HERO be delivered in?

How to responsibly recycle your HERO

HERO FAQs

How to fit your HERO's kickstand

How to inflate a HERO bike tyre

How to remove and install a replacement inner tube for HERO

HERO How to Videos

HERO Mudguard Installation Instructions

HERO User Manual

HERO Manuals

HERO (Pre-30th August 2025)

HERO User Manual (1st October 2025 - Onwards)

HERO (1st October 2025 - Onwards)

How does TRACE fit my bike?

Is TRACE waterproof?

Does TRACE need batteries?

How long does TRACE last on a single charge?

TRACE FAQs

TRACE

Are the helmets adjustable?

My child has had a fall and hit their helmet on the ground - can I still use it?

How to replace the helmet LED light battery

How to responsibly recycle a helmet

Helmet FAQs

Can I mount CLUG on drywall, plasterboard or stud?

Can I use an alternative to screws to mount CLUG?

Which CLUG size do I need?

How do I use CLUG to store my bike?

Can CLUG hang my bike in the air with it's wheels off the ground?

How do I upgrade my existing CLUG to CLUG PRO?

How much weight can the cord on the CLUG PRO hold?

How much weight can the original CLUG hold?

What size drill bit do I use for the wall plug?

Can I use the CLUG to store my e-bike?

Can CLUG cause damage to carbon fibre rims?

Is CLUG compatible with Clincher tyres?

How does a CLUG accommodate a punctured tyre?

What are the benefits of the CLUG PRO upgrade kit?

How can I move my CLUG?

Can I return/exchange my CLUG if its the wrong size?

Which size CLUG PRO do I need?

How do you adjust the CLUG PRO cord length?

How to responsibly recycle your CLUG or CLUG PRO

CLUG FAQs

CLUG PRO How to Videos

CLUG How to Videos

CLUG upgrade kit How to Videos

CLUG PRO

CLUG

CLUG upgrade kit

CLUG Manuals

Will it fit my handlebar?

Is dB140 waterproof?

Why are there different versions of dB140?

Why have you made dB140 so loud?

Why does dB140 have two different sounds?

Is dB140 legal?

Is dB140 safe for my ears?

How is dB140 powered?

How to responsibly recycle your dB140

dB140 with Garmin Style Mount FAQs

dB140 with Garmin Style Mount Manual

dB140 with Garmin Style Mount

How does it fit to my bike/scooter?

How do I obtain replacement parts?

How waterproof is MINI?

How durable is the MINI?

How to responsibly recycle a MINI bike light

MINI FAQs

MINI

Are they personalised?

What fabric are they made of?

Team Jersey FAQs

Team Jersey

How loud is the NANO?

How long is the battery life?

How waterproof is NANO?

How durable is the NANO?

How to responsibly recycle your NANO

NANO FAQs

NANO Manual

NANO

What surfaces can I put the CLUG mud pad on?

What size CLUG mud pad do I need for my bike?

Can I wash my CLUG mud pad if it gets dirty?

How long does CLUG mud pad last for?

How to responsibly recycle your mud pad

Mud Pad FAQs

Mud pad

How long will the vacuum last for?

How much weight can the CLUG vacuum mount hold?

What surface can I secure my CLUG vacuum mount to?

Do I need to buy a CLUG separately?

How to responsibly recycle your vacuum mount

CLUG vacuum mount FAQs

CLUG vacuum mount Manual

Vacuum Mount

Can you ship my order internationally?

When will I receive tracking information?

Why haven’t I received an order confirmation?

When will my order be dispatched?

How do I amend my delivery details?

Order & Delivery FAQs

Order & Delivery

Helmet Size GuideUpdated 3 years ago