The Joker design is featured on the RPHA 11 HJC’s premium sport helmet. The RPHA 11 is designed for the racetrack with an aerodynamic shell structure composed of HJC’s Premium Integrated Matrix (P.I.M. Plus) shell material for enhanced shock-resistance in a lightweight helmet.
Shell
Ventilation
Inner lining
Visor and sun visor
Chin strap and extras
Optional