Rotation helmet i100 (ECE standard 22.06) The chin guard of the i100 rotates completely behind the head, allowing you to switch on the fly between a full-face helmet and a jet helmet. Thanks to its P/J dual approval, it can be ridden legally in open-face mode. Highly developed, CAD-manufactured polycarbonate composite shell for an excellent fit and improved comfort. The design emphasises optimum balance and weight distribution for all-day riding comfort.