Check the listing for details. MT Thunder 4 SV - Lumin White/Blue/Red Motorcycle Helmet. Color: Red/White/Blue, Condition: New with tags. Listed at 213.94 USD. The Thunder 4 SV stands as MT Helmets’ flagship model in the Sport-Touring category, offering outstanding performance with unbeatable value. Engineered for long-distance travel, it combines exceptional ergonomics with a wide field of vision for enhanced comfort and safety on the road. Its advanced ventilation system—optimized through fluid dynamics research—delivers efficient airflow in all conditions. The helmet also features a dedicated compartment for UCS intercom systems, along with a fully integrated sun visor that provides maximum coverage. Equipped with the innovative MT-QVSS, the safest and most user-friendly quick visor removal system on the market, the Thunder 4 SV is built with both rider convenience and long-term durability in mind. Designed for a long lifespan, it supports a m.