The Spiuk Encore helmet is an ultralight helmet without sacrificing extra safety thanks to its ERT technology. It includes the innovative Cointrap magnetic side-closure system which, together with its detachable aero shell, offers comfort, aerodynamics, versatility and ventilation. All in a single helmet.Features:Use: RoadUltralight road helmet with ERT® technologyERT® improves the helmet's response to rotational forces as well as linear ones, without affecting comfort or ventilationGood aerodynamics, excellent ventilation and comfortDouble-anchored straps with Arrowhead side adjustment for superior comfort, Fidlock® magnetic side buckle, and SPIUK® MODO rear dial retention system, adjustable to three heightsIncludes a detachable aerodynamic hard shell