The ABUS Youn-I 2.0 bike helmet is designed for children, teenagers, and young adults. It features an impact-resistant PC outer shell and foamed-in EPS hard foam with an In-Mold manufacturing process for enhanced safety. The helmet includes a size adjustment system with a full ring connected to an adjustment wheel for an optimal fit. This unisex helmet comes with a chin pad. The size in centimeters corresponds to the head circumference of the wearer. For increased visibility in dusk and darkness, the helmet is equipped with a rear LED light and reflectors, ensuring cyclists are easily seen.