37+ Helmet Sizing Pictures. The best helmet is the helmet that fits your head properly and comfortably. Choosing the right helmet size is crucial to protecting you in case of a crash.
Select the helmet model you would like to purchase and review the specific size range available and order accordingly. Using the bell helmet size chart, size small is 55 through 56 cm size medium is 57 through 58 cm. To measure helmet size, take some flexible measuring tape and wrap it around your head so it's just above your eyebrows.
Each line of helmets has a distinct sizing chart listed in each description for every option currently available.
Choosing the right helmet size is crucial to protecting you in case of a crash. See below for specific sizing charts for specialized, kask, met and giant. To find your approximate helmet size, measure around your head just above the eyebrows and use the table below. For any sizing, styling, or general inquiries, please contact us.