Arai Concept-XE Modern Grey HelmetConcept XE The 1980s. Naked motorcycles. An attitude that made you feel different from everybody else. Introducing the Concept XE. Recalling the simple yet aggressive style of that era, this helmet came from the heart of Arai R&D. They loved the looks, but that was about it. Now, the Arai techs want old school cool, to fit their style and motorcycle, but they want cool with modern Arai performance. Concept XEs brute simplicity is the product of