casco hjc rpha 1 quartararo replica mc1The RPHA 1 was designed and developed after several years of focused efforts and crucial feedback from the worlds top MotoGP athletes. HJC engineers worked to create a racing helmet truly worthy of the best race tracks worldwide. The RPHA 1 is the same model used by HJCs world class athletes in both MotoGP and WorldSBK, and HJC is now ready to finally launch it in full production with FIM homologation (FRHPhe 01) the safety certification.