Evo-One 2 Lithion Dual Modular Helmet (HE9704DKUAL) by Shark Helmets®. The EVO-ONE 2 helmet is an evolution of the world famous EvoLine SERIES 3 modular helmet with enhanced chin locking system, new auto up and down visor and a general reviewed kinematic. As the EvoLine SERIES 3, the EVO-ONE 2 is simply one of the world's safest modular helmet on the market. The Ultimate Evolution of SHARK modular helmet with full-face certification. The SHARK Helmets EVO-ONE 2 Blank is a direct evolution of Shark Helmets world famous EvoLine SERIES 3, the first modular helmet model that received the full-face / open helmet certification in Europe along with 5 stars obtained in the SHARP crash test.