Features: Engineered exclusively for ARAI RX 7X/X/NE0 helmets, this aerodynamic motorcycle helmets spoiler reduces wind turbulence while maintaining perfect fitment for high speed stability and racing inspired aesthetics. Crafted from lightweight yet durability ABS/PC composite, the tool freely installation rear trim adds structural reinforcement to helmets while weighing only 85g, compatibility with multiple vent configurations across ARAI's premium models. Sportbike riders and enthusiasts will appreciate its wind tunnel tested design that counters lift forces during aggressive cornering, particularly beneficial for those wearing RX7V/RX7X helmets greater than 60mph. Optimize long highway commutes or closed circuit racing with reduced neck strain thanks to the spoiler's current redirection capabilities that minimize helmet buffeting. The matte black textured finish integrates seamlessly with OEM helmet designs while providing 20% increased downforce compared to stock configurations, making it essential motorcycle helmets accessories for performing focused riders. Specifications: Matter: ABS Size: Suitable for DFX2,RR5,RR4,RX7V and helmet models Practicality: Easily installed without tools, improving the aerodynamic performing of the helmet, reducing wind resistance and turbulence during high speed driving, while adding a sporty and stylish look Package Includes: 1PC motorcycle rear helmet spoiler note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.