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Buying a bike helmet: how to choose the right helmet for children, city cycling and sport

Buying a bike helmet seems simple, until you have to choose between a children’s bike helmet, a MIPS bike helmet, a road cycling helmet or a model with a light and visor. Marketing often highlights one standout feature, but fit, intended use and certification are just as important.

Look out for these three common pitfalls:

  • Choosing one helmet for every sport: a bike helmet is not automatically suitable as a ski helmet, motorcycle helmet or helmet for intensive downhill riding.
  • Relying on a light for visibility: a bike helmet with a light can help you stand out, but it does not replace bike lights, reflective clothing or safe riding.
  • Choosing the wrong size by looking only at S, M or L: head circumferences vary between brands and models. An adjustable bike helmet that doesn’t fit properly will be less comfortable and may shift in a fall.

What should you look for in a bike helmet?

1. Choose a helmet for your activity

For everyday cycling, commuting and leisure rides, a model with a sturdy outer shell, shock-absorbing inner layer and adjustable fit is usually enough. If you also skateboard, ride BMX or use a scooter, consider a multi-sport model. Skateboard helmets often have a rounder shape and an ABS shell, as with the OutdoorMaster Oryx models.

Mountain biking calls for a few extra considerations. A mountain bike helmet with more coverage, a visor or chin protection is better suited to demanding trails than a lightweight road cycling helmet. A full-face model is designed for a different type of riding from a helmet for city cycling.

A ski helmet is designed for snow sports and has different features, such as a warm lining and compatibility with ski goggles. A motorcycle helmet is a separate category. If you ride a motorcycle, check the relevant European approval, such as ECE R 22.06, and don’t use an ordinary bike helmet as an alternative.

2. Check the fit and head circumference

Measure your head with a flexible tape measure, just above your eyebrows and around the widest part of your head. Compare the measurement with the size chart for the specific product.

A well-fitting helmet:

  • sits level and covers your forehead without blocking your vision;
  • doesn’t move around when you shake your head;
  • has a chin strap that fits comfortably;
  • doesn’t leave large gaps between your head and the inner lining;
  • can be adjusted without the dial being turned all the way open or closed.

A children’s bike helmet should allow room to grow, but it shouldn’t be bought too large. According to the product description, the OutdoorMaster Ibex Youth & Kids comes with two removable liners and an adjustable dial. It’s designed for children aged 5 and over. Remember to measure your child’s head circumference first.

3. Look beyond the word ‘safe’

Helmets often have an outer shell made from polycarbonate (PC) or ABS, combined with an inner layer of EPS. Some models use EPP, for example certain full-face mountain bike helmets. These materials have different properties in terms of construction, weight and shock absorption.

A MIPS bike helmet has an extra layer which, according to the product information, is designed to reduce the transfer of rotational forces in certain angled impacts. This doesn’t guarantee protection against injury, nor does it make a poor fit acceptable. Always check which standard or certification is shown on the product and packaging.

Be aware of the differences between standards:

  • EN 1078 is the European standard generally relevant to helmets for cycling, skateboarding and roller sports.
  • ASTM F2040 is used for certain snow sport helmets.
  • ECE R 22.06 applies to motorcycle helmets.
  • CPSC and ASTM references in a product description are not automatically equivalent to a European bike helmet standard.

According to the product descriptions, some models are CPSC- and ASTM-certified. Before buying, check the full product information and the marking that applies to your intended use in the Netherlands.

Recommendations by type of user

Suitable for: Budget-conscious beginners
OutdoorMaster Ibex Youth & Kids Bike Helmet

OutdoorMaster Ibex Youth & Kids Bike Helmet

Why it suits this type of user: This model is designed for children aged 5 and over who cycle, ride a scooter or skateboard. The blue dinosaur design may appeal to younger users.

How this product avoids the pitfall

The adjustable dial and two removable liners help you adapt the fit to different head sizes. Make sure size M is right for your child’s head circumference.

Key benefits and features

ABS outer shell, EPS core, adjustable chin strap and washable liners. Ventilation makes this model suitable for a range of leisure activities.

Suitable for: Shoppers looking for premium quality
OutdoorMaster MIPS Gem I adult bike helmet

OutdoorMaster MIPS Gem I Adults Recreational Cycling Helmet

Why it suits this type of user: A practical bike helmet for adults who regularly cycle for leisure, mountain bike, ride BMX or skate, and value a MIPS system.

How this product avoids the pitfall

The helmet combines an adjustable dial with two liners, so you can fine-tune the fit more precisely than with a model that has fixed padding only.

Key benefits and features

MIPS system according to the product description, 25 ventilation openings, removable liners and a detachable visor. Available in several sizes and colours.

Suitable for: Specialist use and intensive riders
OutdoorMaster Full Face Mountain Bike Helmet

OutdoorMaster Full Face Mountain Bike Helmet

Why it suits this type of user: Designed for downhill, BMX and demanding mountain bike rides where extra coverage around the chin and face is desirable.

How this product avoids the pitfall

This isn’t an all-purpose city helmet, but a full-face model for a specific use. That makes it easier to match your choice to the activity and the level of protection required.

Key benefits and features

ABS shell, EPP inner layer, chin guard with shock-absorbing pads, 27 ventilation channels, removable lining and adjustable visor.

Suitable for: City cyclists and commuters
DKONI HS-158 bike helmet with lights

DKONI HS-158 Bicycle Helmet with USB lights

Why it suits this type of user: An option for adults who often cycle in the city and want to be more visible in the morning or evening.

How this product avoids the pitfall

The lights are an additional feature, not your only safety measure. The helmet also has an adjustable fit and 20 ventilation openings.

Key benefits and features

Five white LEDs at the front, thirteen red LEDs at the rear, four rear light modes and a washable inner lining, according to the product description.

Looking for more options?

We’ve put together a complete, up-to-date list of products that meet these strict selection criteria and the applicable European safety regulations.

Frequently asked questions about bike helmets

How tight should a bike helmet fit?

Your helmet should sit firmly and level on your head without creating pressure points. Once the chin strap is fastened, the helmet shouldn’t slide easily forwards, backwards or from side to side. Adjust the dial first, then check the length of the chin strap.

When should you replace a bike helmet?

Replace your helmet after a fall or hard impact, even if there’s no visible damage. Also check the shell, lining, buckles and straps regularly. Cracks, loose parts or badly worn padding are all reasons to stop using the helmet. Follow the manufacturer’s care and replacement guidance too.

Does a bike helmet with a light or MIPS cost more to use?

A bike helmet with rechargeable lights just needs charging from time to time and careful cleaning. A MIPS bike helmet has no additional running costs for the system. However, you may need replacement liners, batteries or parts as they wear out. So consider more than just the purchase price: check the availability of accessories and the recommended care instructions.