Precision-Fit Rear Spoiler for HJC RPHA11 Helmets combines aerodynamic performance with tailored functionality. Engineered exclusively for RPHA11 helmet frames, its gap-free design seals out dust and debris while maintaining a secure, seamless fit. The integrated rear spoiler enhances high-speed stability by minimizing wind drag and turbulence, delivering smoother control. Strategically positioned top and rear vents optimize airflow to keep you cool during intense rides or hot weather. Crafted from high-strength, UV-resistant materials, it withstands extreme temperatures without cracking or warping—ensuring durability in all conditions. Whether for urban commuting, sport riding, or high-altitude work, this spoiler elevates comfort and performance for prolonged helmet wear.