HJC RST Shield for HJ-09, AC-12, AC-12 Carbon, CL-15 and CL-SP Helmet RST Blue Mirror Shield Since 1971, HJC has specialized in manufacturing motorcycle helmets exclusively. The combination of this extensive specialized manufacturing experience, innovative ideas, and reasonable pricing resulted in HJC's success in worldwide markets. It is HJC's continual goal to provide high quality, comfortable, and reasonably priced helmets to motorcyclists around the world.HJC HJ-09 replacement face shield for the HJC AC-12 / C, CL-15, CL-16, CL-17, CS-R1, CS-R2, FS-10, FS-15 /C /A, CL-SP, H10, RST Blue Mirror Shield RST Mirrored Shields: HJC does not recommend using any chemical products on our RST mirrored shields as they will degrade the mirror finish. For cleaning, we recommend washing the shield with warm water and soft cloth only. We also recommend cleaning the shield as soon as possible after dirt and debris have accumulated.