MT Helmets is a well-known brand in the motorcycle industry, offering a range of helmets and accessories. A visor for an MT helmet would likely be a replacement or additional visor designed to fit their helmets. Visors are crucial components of helmets, providing protection from the elements and improving visibility for the rider. Depending on the specific model of MT helmet you have, there may be different types of visors available, such as clear, tinted, or anti-fog visors, to suit various riding conditions. If you're in need of a replacement visor or looking to customize your helmet, it's advisable to check MT Helmets' official website or visit a reputable motorcycle gear retailer.