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Guide
Children’s bike helmets
Measure your child’s head and try the helmet together. Balance bikes, school rides and bike parks require different shapes and features, not simply different colours and sizes.
Key points
- The helmet must not tilt backwards or slide over the eyes.
- For passengers, check the helmet together with the seat headrest.
- Replace after an impact according to the manufacturer’s instructions.
- Remove the cycling helmet for climbing and playing on playground equipment.
Where does your child ride?
| Use | Choose | Bear in mind |
|---|---|---|
| Balance bike or passenger | ChooseSmall, adjustable shell | Bear in mindCheck its fit with the seat headrest. |
| School journeys | ChooseWell-fitting everyday helmet | Bear in mindVisibility and an accessible fastening. |
| Tours and trails | ChooseChildren’s MTB helmet | Bear in mindRear coverage and ventilation. |
| Bike park | ChooseSuitable full-face helmet | Bear in mindCheck intended use and park requirements. |
Open or full-face?
Open helmet (Everyday rides)
A ventilated shell for its specified cycling use.
- Advantage: Good ventilation
- Drawback: No chin bar
Full-face (Bike park)
A helmet with a chin bar for the use specified by its maker.
- Advantage: Additional chin coverage
- Drawback: More weight and warmth
What to look for
| Question | In brief | Why |
|---|---|---|
| Which size? | In briefMeasure the head | WhyAge labels are approximate. The adjustment range must match the child’s head today, rather than a hoped-for future size. |
| How tight? | In briefLevel without pressure | WhyThe adjustment should retain the shell without pressure points. Set straps and fastening as instructed. |
| Can my child use it? | In briefPractise together | WhyAn accessible buckle helps daily use. An adult should still check that the helmet is correctly positioned. |
Common questions
Can a thick hat go underneath?
It can alter the fit and straps. Use only a solution permitted by the helmet manufacturer and adjust the helmet again with it in place.
Is a second-hand helmet suitable?
An unknown impact may have caused invisible damage. Its condition cannot be reliably assessed without a trustworthy history.
Does every child need a full-face helmet?
A bike-park helmet is usually heavy and warm for ordinary school rides. For demanding tracks, check its specified use and the operator’s rules.
Can the helmet stay on at the playground?
Remove it for climbing on playground equipment: the helmet or straps could become caught. A bicycle helmet is intended for cycling.
Last updated: November 2026
Where does your child ride?
Balance bike or passenger
Measure the head and check fit against the headrest when using a child seat.
- A size that fits now
- Check the headrest
- Adult adjustment
School journeys
The helmet should sit level and be straightforward to adjust correctly.
- Practise the buckle
- Adjust the straps
- Recheck fit regularly
Tours and trails
Fit and ventilation matter on longer rides. Compare rear coverage too.
- Matching shell size
- Rear coverage
- Clear field of vision
Bike park
Check suitability for the track and compliance with park requirements.
- Read park requirements
- Follow chin-bar instructions
- Check weight with child
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