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Engineered for a quieter, more aerodynamic ride through extensive wind-tunnel testing, the sun-visor-equipped RPHA 31 decreases noise level and wind turbulence.


The RPHA 31 offers enhanced shock resistance and maximum protection thanks to its Premium Integrated Matrix (PIM) Evo shell and multi-density EPS.


The RPHA 31 will also accept the second generation of SMART HJC Bluetooth communication systems, allowing riders to stay connected and focused on the road ahead.




  • Premium integrated matrix / P.I.M EVO: reinforcement materials including carbon-aramid hybrid and natural fibre, provide enhanced shock-resistant performance, more comfort, and lightness of the helmet.


  • ECE 22.06 approved.


  • Aerodynamic design shell reduces air resistance & provides stability at high speed.


  • Full front-to-back airflow: 2 intakes and 4 exhausts.


  • Quick, simple and secure visor (shield) ratchet system.


  • Pinlock® ready HJ-39 visor: provides 99% UV protection, anti-scratch coated.


  • Visor deflector decreases noise level and wind turbulence.


  • Visor holder reduces noise & drag forces and holds visor tight.


  • Light Smoke sun shield installed.


  • Adjustable 3-step sun shield for optimised position.


  • One-touch buckle (micro buckle)


  • Crown and 3D contour cheek pads: removable and washable.


  • Interior with advanced anti-bacteria fabric provides enhanced moisture wicking and quick drying function. Reflective material for safety.


  • Glasses groves can accommodate riders who wear glasses.

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