HJC RPHA 1 Red Bull Austin GP Helmet YCRF_base_layers the large exterior front &

the large exterior front & back vents

Advanced Ventilation System: Features strategically placed intake and exhaust vents for optimal air circulation

the STUNT has rightly been considered an original in its category

Only compatible with Sinister X7 Ignite S1 Goggles

HJC RPHA 1 Red Bull Austin GP Helmet YCRF_base_layers the large exterior front &HJC Helmets and Red Bull have been working on launching something extraordinary for motorcycle riders around the world the first ever Red Bull licensed motorcycle helmet. The RPHA 1 was designed and developed after several years of focused efforts and crucial feedback from top world class athletes in MotoGP. HJC's top engineers went to work and created a race bred helmet that is truly worthy of top race circuits around the world. The RPHA 1 is the