This lightweight, sleek, and trendy helmet will be sure to turn heads on the trails, daily commute, or even just around the neighborhood. The Bell Summit features fusion technology that helps keep you protected, while a dial fit allows you to adjust the helmet to your comfort. The Summit is another great choice from Bell, the leader in head protection. Recommended for ages 14+, but will fit most heads measuring 54-61 cm. IMPORTANT: Head sizes and shapes vary, even within an age range. Using a helmet that does not fit can be dangerous. Complies with CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.