FLIP-UP ALUMINUM BLACK FOR THREE BUTTON HELMETS 3 APPLICABLE ON HELMETS THREE BUTTONS RAISES VISOR Flip Up aluminum for bubble visor adjustment, millimetric opening / closing with double stop. Entirely made of Peraluman aluminum, it is extremely light and resistant with exceptional resistance to atmospheric agents. Thanks to the two self-stabilizing side Grip suction cups, the high-density sponge lining and the tongue for tightening the closure, the Flip-up is extremely stable even at high speeds, a useful and convenient option to make all fixed visors also adjustable.