Originally built for the racetrack, the RPHA 11 Pro is HJC’s premium sport helmet, designed with an aerodynamic shell structure for extreme performance at maximum speeds. The Premium Integrated Matrix (P.I.M Plus) shell composition provides enhanced shock-resistant performance and a more comfortable and lightweight helmet using reinforcement materials that include carbon and carbon-glass hybrid fabric.
P.I.M PLUS SHELL
Premium Integrated Matrix
Reinforcementmaterials, including Carbon and Carbon-Glass Hybrid fabric, provide enhanced Shock-Resistant performance for a more comfortable and lighter helmet.
The size chart is only for reference. Always try the helmet on and follow the owner’s manual’s instructions for aproper fit.