Joybuy Insights

Choosing an adult cycling helmet: how to find the right helmet for city riding, sport and everyday use

An adult cycling helmet may seem straightforward to choose at first glance. However, many disappointing purchases are caused by the wrong size, insufficient ventilation or features that add little in practice. This applies to commuters, e-bike users, mountain bikers and recreational skaters.

Pay particular attention to these three common pitfalls:

  1. A one-size option that does not really fit
    A helmet labelled only as S, M or L tells you very little without the corresponding head circumference. A helmet that is too loose can move around; one that is too tight will often be left in the cupboard.

  2. Extra features without practical checks
    A rear light, visor or magnetic goggles can be useful, but check how the component is charged, removed and attached. A rechargeable light is not a substitute for cycle lights or reflective clothing.

  3. Using a sports model for a different purpose
    MTB cycling helmets, city cycling helmets and road cycling helmets often have different shapes, ventilation and coverage. A skateboard helmet or BMX helmet is designed for a different type of use from a lightweight helmet for long road rides.

What should you look for in an adult cycling helmet?

1. Measure your head circumference before choosing a size

Use a flexible tape measure and measure horizontally around your head, approximately one to two centimetres above your eyebrows. Keep the tape measure in contact with your head, but do not pull it tight. Note the circumference in centimetres and compare it with the product’s size chart.

Common options include:

  • Cycling helmet size M: often around 55-58 cm, depending on the brand.
  • Cycling helmet size L: often around 58-61 cm.
  • Cycling helmet 54-61 cm: check that the adjustment mechanism genuinely supports this full range.
  • A helmet with a dial adjuster can accommodate small differences, but it cannot turn the wrong basic size into a good fit.

A correctly adjusted helmet sits horizontally on your head. The front should not sit too far back, and the chin strap should be fastened without digging into your skin.

2. Look at the shell, core and construction

Product information often lists materials such as PC, ABS and EPS.

  • A PC shell is often combined with an EPS inner layer in an in-mould construction.
  • ABS is a hard outer shell used in, among other things, multi-sport and skateboard helmets.
  • EPS is a foam core that forms part of the construction and may not show visible damage after a heavy impact.

Always check the safety information provided by the manufacturer. The OutdoorMaster RhinoUrban is described in the product information as CPSC- and ASTM-certified. These are American standards; as a UK buyer, also check the European product information and any conformity marking stated for the specific product. A marketing term such as “impact-resistant” is not, on its own, a reason to overlook other safety information.

You should replace your helmet after a hard fall or collision, even if the outside still looks fine. For the OutdoorMaster Oryx, the manufacturer also recommends replacement after approximately 3 to 5 years, as materials can deteriorate over time. Always follow the brand’s care and replacement guidance.

3. Match ventilation and extras to your route

A breathable cycling helmet with multiple ventilation openings is practical for commuting, long e-bike rides and sporty use. More openings do not automatically mean that a helmet will be more comfortable for everyone. The fit, inner padding and position of the openings also play a part.

An adult cycling helmet with a rear light can provide extra visibility from behind. Check:

  • whether the light is rechargeable;
  • how long a full battery charge is expected to last according to the product information;
  • whether the light can be removed;
  • how many lighting modes are available.

A cycling helmet with a visor or a cycling helmet with goggles is particularly useful in wind, rain, sunshine and when riding through spray and dirt. Make sure the visor or goggles are securely attached and do not obstruct your view. Magnetic goggles are convenient if you want to remove the accessory quickly, but keep loose parts in a designated place.

Our recommendations by usage profile

Suitable for: Budget-conscious beginners
OutdoorMaster Oryx Adult Skateboard Cycling Helmet Grey M

OutdoorMaster Oryx Adult Skateboard Cycling Helmet-Grey M

Why it suits this profile: This grey helmet is designed for multi-sport use, including cycling, skateboarding, BMX and inline skating. Size M is suitable for a head circumference of 54-58 cm according to the product information.

How this product avoids the pitfall

The two removable pads make cleaning and adjusting the fit easier than with a non-washable inner lining.

Key benefit & highlights

ABS outer shell, EPS core, adjustable dial and ventilation. The pads can be hand-washed.

Suitable for: Buyers looking for premium quality
OutdoorMaster Cycling Helmet RhinoUrban with goggles and light

OutdoorMaster Cycling Helmet RhinoUrban with Goggles & Light Grey M 54-58cm

Why it suits this profile: This option combines an adjustable cycling helmet with magnetic goggles, a removable visor and a rechargeable rear light for cyclists who switch between city riding, e-bike trips and recreational off-road rides.

How this product avoids the pitfall

The accessories are removable, so you do not always have to ride with the visor or goggles attached. The light charges via USB-C and has several modes according to the product description.

Key benefit & highlights

PC shell with EPS lining, 17 ventilation openings, size M for 54-58 cm and CPSC and ASTM certification according to the manufacturer.

Suitable for: Specialist use & intensive users
DKONI HS-061 Adult Mountain Cycling Helmet Grey L

DKONI HS-061 Adult Mountain Cycling Helmet Grey L 56-61cm

Why it suits this profile: This MTB cycling helmet is designed for rides where extra coverage and a removable visor are desirable, such as on unpaved paths or during longer trips.

How this product avoids the pitfall

The visor is removable, and the inner lining can be removed and washed. This allows you to adapt the helmet to the weather and how you use it.

Key benefit & highlights

PC outer shell with EPS, 17 ventilation openings, a dial adjuster and size L for 56-61 cm according to the product information.

Which helmet is right for your needs?

For everyday traffic, a city cycling helmet with ventilation and, optionally, a rear light is practical. The DKONI HS-086 has 15 ventilation openings, a removable USB-rechargeable LED light and a size M of 55-58 cm or L of 58-61 cm, depending on the version.

If speed and longer road training sessions are your priorities, you may be looking for a road cycling helmet with a low weight and plenty of airflow. Make sure the shape fits securely and that the helmet does not move when you are riding in a forward-leaning position.

For skateboards, BMX and inline skates, a sturdier skateboard helmet, BMX helmet or inline skating helmet is often a more logical choice than a distinctly road-focused model. According to the product information, the OutdoorMaster Oryx is designed for several of these activities. However, do not use a cycling helmet for motorised vehicles or activities for which the manufacturer has not designed the model.

Looking for more options?

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

Frequently asked questions about adult cycling helmets

How tight should a cycling helmet be?

The helmet should remain stable when you move your head, without creating pressure points. Adjust the dial first, then fasten the chin strap. There should usually be only a small amount of space between the strap and your chin. Check the fit before every ride, especially if you are wearing a hat, glasses or a ponytail.

How long does a cycling helmet last?

Replace a helmet immediately after a serious collision or fall. The damage may be internal. For some models, the manufacturer also gives a guideline of 3 to 5 years. Store the helmet away from high temperatures, solvents and direct sunlight, and follow the care instructions.

Does a cycling helmet with a rear light cost more to use?

The rear light needs to be recharged regularly. According to the product description, the DKONI HS-086 has an operating time of approximately 3 to 5 hours and two lighting modes. The actual operating time depends on the selected mode and the condition of the battery. Use the light as an addition to the legally required cycle lights, not as a replacement for them.