An adult bicycle helmet should fit comfortably, suit your intended use and come with clear safety information. Yet many buyers first focus on colour, price or a striking product name. That can result in a helmet that feels tight after a few rides, becomes too warm or is unsuitable for the activity it was purchased for.
This buying guide from the Joybuy Product Recommendation Officer helps you compare bicycle and motorcycle helmets based on verifiable criteria. It covers fit, materials, ventilation, MIPS bicycle helmets, visors and visibility.
A size M or L does not mean the same thing across all helmets. One size L helmet may fit a head circumference of 56–61 cm, while another lists size L as 58–61 cm. Always measure your head circumference with a flexible measuring tape, approximately 2 cm above your eyebrows. Keep the tape horizontal, then check the size chart for the specific product.
An adjustable bicycle helmet can accommodate small differences, but an adjustment system cannot make an incorrect base size fit properly.
A safety standard indicates which requirements a product must meet according to the stated specification. No helmet protects against every type of impact. Also check whether the standard matches your activity:
A bicycle helmet with visor can be useful against sun, rain, mud or branches, but a large visor can also affect your field of vision if it is not adjusted correctly. A bicycle helmet with LED light is described as helping improve visibility in low-light conditions; it does not replace bicycle lights or reflective clothing.
A MIPS bicycle helmet is not a guarantee against injury either. According to OutdoorMaster’s product description, MIPS is designed to help reduce rotational forces in certain impacts. Treat it as one selection criterion alongside a good fit, correct fastening and appropriate use.
The helmet should fit firmly without creating pressure points. Once fastened, it should not move forwards, backwards or sideways when you move your head. The chin strap should sit securely without cutting into the skin. A practical check: there should be limited space between the strap and your chin, but the helmet should not feel loose.
For longer rides, also pay attention to the inner pads. Removable pads are easier to hand-wash and dry thoroughly.
Many bicycle helmets combine an outer shell made from polycarbonate or ABS with an inner layer of EPS foam. The exact construction varies by model. An in-mould construction, as stated for the DKONI HS-062 and HS-086, bonds the outer shell to the EPS foam.
A lightweight bicycle helmet can feel more comfortable during commuting or long rides. According to the product information, the DKONI HS-062 weighs approximately 380 grams. Weight is not the only consideration, however: a well-fitting model that remains stable is often more practical than an ultra-light helmet that keeps shifting.
For urban rides, a straightforward helmet with sufficient ventilation is often all you need. Road cyclists generally prioritise airflow and low weight. A mountain bike helmet often provides more extended rear coverage and features a removable visor.
According to the product description, the DKONI HS-062 has 17 ventilation openings and a removable ABS visor. The OutdoorMaster Gem I has 25 ventilation openings, a removable visor and two removable inner liners. For commuters, the DKONI HS-086 may be appealing thanks to its removable, USB-rechargeable LED rear light with two lighting modes. The stated runtime is approximately 3 to 5 hours per charge.
Why This Fits Their Persona: Suitable for families looking for one model for cycling, BMX, skating or scootering. According to the product information, size S fits 48–52 cm.
The adjustment dial and adjustable chin strap make it easier to fine-tune the fit than with a helmet without an adjustment system.
ABS outer shell, EPS liner and removable inner pads; according to the product information, available in S, M and L.
Why This Fits Their Persona: A practical choice for commuting, recreational cycling, BMX and light MTB trails.
The dual adjustment system and two liners help minimise a loose or overly tight fit.
MIPS system according to the product description, 25 ventilation openings, removable visor and adjustment dial.
Why This Fits Their Persona: Designed for MTB rides where extended rear coverage, a visor and ventilation can be valuable.
The removable visor and adjustment dial make the helmet adaptable to the terrain, clothing and riding position.
PC shell with EPS liner, 17 ventilation openings, approximately 380 grams according to the product information, and sizes M 54–58 cm and L 56–61 cm.
Why This Fits Their Persona: Intended for motorcyclists and scooter riders, not as a replacement for an adult bicycle helmet.
The product information states ECE R 22.06, making its intended use clearer than that of a general helmet without a motorcycle classification.
ABS shell, EPS liner, dual visor and sizes from XS to XXL according to the product listing.
We have compiled a complete, real-time list of products that fully satisfy these strict selection criteria and UK safety regulations.
There is no universal replacement date that applies to every helmet. Replace the helmet after an impact, or if you notice cracks, deep scratches, loose components or a deformed EPS liner. A new model is also the safer choice if the adjustment mechanism or chin strap no longer works reliably.
MIPS is an additional technology that product descriptions state is designed to address certain rotational forces during an impact. It does not replace the correct size, secure fastening or an appropriate bicycle helmet standard. For everyday use, ventilation, comfort and visibility may be just as important.
An ECE motorcycle helmet or modular motorcycle helmet is developed for motorcycling. A bicycle helmet is lighter and intended for a different type of use. Choose a helmet that is clearly specified for your vehicle and activity, and do not automatically use a motorcycle helmet as a substitute for a bicycle helmet.