RPHA 31

The RPHA 31 is HJC’s premium open-face helmet, designed to deliver refined comfort, lightweight performance, and enhanced protection. Its advanced PIM Evo shell and multi-density EPS provide elevated shock resistance, while aerodynamic optimization and wind tunnel testing contribute to a quieter, more stable ride. The integrated sun visor helps reduce noise and wind turbulence, and compatibility with the 2nd generation SMART HJC Bluetooth system adds seamless connectivity to every ride.

FEATURES

STANDARD: DOT

Meets or exceeds DOT FMVSS 218 requirements. Testing covers impact energy attenuation, penetration resistance, chin strap structural integrity, and labeling requirements for on-road motorcycle helmets.

PIM EVO SHELL

The PIM EVO Shell is engineered with advanced materials including carbon-aramid fiber, carbon fiber, glass fiber, organic non-woven fabric, and natural linen fiber to provide enhanced shock resistance, lightweight construction, and elevated riding comfort.

ACS

Advanced Channeling Ventilation System: HJC combines cutting-edge technology with expertise gained from developing MotoGP race helmets. The result is our state-of-the-art Advanced Channeling Ventilation System, delivering industry-leading aerodynamics and airflow for enhanced comfort.

AERODYNAMIC PERFORMANCE

Refined aerodynamic performance helps reduce airflow resistance and improve overall stability for a smoother, more confident ride at high speeds.

PRECISION FIT
& VISOR CONTROL

Designed with an elongated shell and extended chin EPS, the RPHA 31 delivers a more secure, full-face-inspired fit than conventional open-face helmets. Its deployable visor deflector and refined visor holder work together to reduce noise, enhance visor stability, and create a smoother, more comfortable ride.

DMS SUN SHIELD

Dynamic Multi-Step Sun shield lets you fine-tune the visor to the optimal position. It is anti-fog coated and designed to be distortion-free for clear, comfortable vision.

RPHA PREMIUM FIT INTERIOR

The RPHA Premium Fit Interior is crafted with advanced anti-bacterial fabric engineered for superior moisture-wicking and quick-drying performance. Designed to enhance both comfort and safety, it features 3D-contoured cheek pads with reflective material, while interchangeable cheek pads across all sizes ensure a refined, personalized fit.

SMART HJC 2ⁿᵈ GEN.

Engineered in collaboration with SENA and tailored exclusively for HJC helmets, the SMART HJC 2nd generation premium Bluetooth communication system features a fully integrated all-in-one design that enhances weight balance and aerodynamic performance for an elevated riding experience.
All SMART HJC devices are sold separately.

5 YEARS WARRANTY

Warranty coverage applies to manufacturing defects for up to 5 years from the date of purchase or 7 years from the date of manufacture, whichever comes first.