Size guide

Helmet sizes are based on the head circumference in cm. The information is e.g. “48-52” for S (depending on model).

To measure the head circumference, use a tape measure or a string just two fingers wide above the eyebrows over the point of greatest circumference and guides it once around the head.

Since a bicycle helmet should not be too tight and every helmet has an adjustment system, you can Helmet size of the model (S, M, L, XL … ) for a comfortable seat up to 1 cm larger choose.

Video: How do I find the right helmet size?