The HJC RPHA 11 Seeze Motorcycle Helmet is part of the latest HJC collection. . Originally built for the racetrack, the RPHA 11 is HJC's premium sport helmet, designed with an aerodynamic shell structure for extreme performance at maximum speeds. The...
Features: RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output. Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in...