The HJC HJ-42 RST Pinlock® Ready Shield is designed to elevate your riding experience by providing exceptional optical clarity and enhanced fog resistance. Compatible with HJC RPHA 12 and RPHA 12N helmets, this shield features a Pinlock® ready design, allowing for the addition of a Pinlock® lens to prevent fogging and ensure clear vision in various weather conditions. The RST (Racing Shield Technology) ensures a distortion-free view, enhancing safety and comfort during your rides. Easy to install and available in multiple tints, the HJ-42 RST Pinlock® Ready Shield is a valuable upgrade for any rider seeking improved visibility and performance.