The RPHA 1 was designed and developed after several years of focused efforts and vital feedback from top world-class athletes in MotoGP. 

The RPHA 1 is the same model used by HJC's world-class athletes in both MotoGP and WorldSBK, and HJC is finally set to launch it into full production with FIM certification (FRHPhe-01), the safety certification. 

PIM+ SHELL

Reinforcement materials, such as Carbon and Carbon-Glass hybrid fabric, provide enhanced impact resistance performance for a more comfortable and lighter helmet.

Tested in a wind tunnel

HJC helmets are tested in the laboratory as well as in "real life" to meet the highest quality standards. HJC is one of the few helmet companies equipped with its own state-of-the-art wind tunnel laboratory for testing aerodynamics, ventilation, noise, and more.

The HJC wind tunnel testing laboratory measures aerodynamic forces in various riding conditions to improve helmet performance.

Silvercool

The advanced removable antibacterial fabric provides enhanced moisture-wicking function and quick drying.