HJC RPHA 31 Open Face Helmet - Semi Flat Titanium

The HJC RPHA 31 Motorcycle Helmet is a top-tier choice for urban riders seeking a helmet that comb...

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The HJC RPHA 31 Motorcycle Helmet is designed for adult urban riders seeking a lightweight helmet with superior protection and enhanced visibility. Its key benefit is the combination of a P.I.M. Evo shell for impact resistance and an aerodynamic design for a comfortable, quiet ride. A potential caveat is its focus on urban environments, though it is also suitable for motorways.

All features

Age Groupadult
ColourSilver
GenderUnisex
Model Part NumberR31TS
BrandHJC

Extended Product Information

FAQs

What makes the P.I.M. Evo shell unique?

The P.I.M. Evo shell uses a blend of carbon-aramid hybrid and natural fibers to create a shell that is exceptionally strong and impact-resistant while remaining surprisingly light and comfortable.

Is the helmet suitable for high-speed riding?

Yes, the aerodynamic design of the shell is engineered to provide stability at high speeds and reduce wind noise and turbulence, making it suitable for motorway riding.

How effective is the ventilation?

The helmet features a full front-to-back airflow system with 2 intake and 4 exhaust vents designed to channel air effectively, providing significant cooling and a comfortable riding environment.

Does the visor block UV rays?

Yes, the HJ-39 visor blocks 99% of harmful UV rays and is also scratch-resistant to maintain clear vision.

Can I add a Pinlock anti-fog insert?

Yes, the helmet comes Pinlock-ready, meaning you can purchase and install a compatible Pinlock insert for enhanced anti-fog performance.

How do I clean the interior of the helmet?

The interior liner is made of advanced anti-bacterial fabric that wicks moisture. It is typically removable and can be hand-washed with mild soap and cold water, then air-dried completely.

What safety certifications does this helmet have?

The HJC RPHA 31 Motorcycle Helmet is ECE 22/06 certified, which is a stringent European safety standard ensuring a high level of protection.

Troubleshooting

Helmet feels too tight or loose.

Ensure you have selected the correct size. For minor adjustments, consider aftermarket comfort liners or cheek pads if available. The interior padding will also compress slightly with use.

Visor fogs up excessively.

Ensure the Pinlock insert is correctly installed if you have one. If not, consider purchasing a Pinlock insert for enhanced anti-fog performance, as the visor is Pinlock-ready.

Ventilation system seems ineffective.

Check that all vent openings (intake and exhaust) are clear of debris or obstructions. Ensure the vent levers are fully open.

Sun shield is difficult to adjust.

Ensure the mechanism is clean and free of debris. Operate the shield slowly and deliberately through its three positions.

Pros and Cons

Pros

  • Lightweight yet highly protective due to P.I.M. Evo shell construction.
  • Aerodynamic design reduces wind noise and turbulence for a more focused ride.
  • Effective ventilation system keeps the rider cool and comfortable.
  • Integrated adjustable sun shield offers convenience and improves visibility.
  • Meets ECE 22/06 safety standards for peace of mind.

Cons

  • Primarily designed for urban and motorway riding, may not suit extreme conditions.
  • Visor requires a separate Pinlock insert for full anti-fogging capabilities.
  • Adjustment for the sun shield, while present, might be less intuitive for some users.

Setup, Compatibility & Care Instructions

Setup:

  1. Visor Adjustment: Ensure the HJ-39 visor operates smoothly through its detents. If it feels stiff, check for any obstructions.
  2. Sun Shield Operation: Familiarize yourself with the 3-step adjustment mechanism for the internal sun shield.
  3. Liner Fit: The interior liner is designed for a snug fit. Ensure it is properly seated.

Compatibility:

  • Pinlock Visor: The helmet is Pinlock ready. For optimal anti-fog performance, purchase and install a compatible Pinlock insert separately.
  • Accessory Mounts: Check the helmet's manual for compatibility with communication systems or other accessories.

Care:

  • Exterior Shell: Clean the shell with a soft, damp cloth and mild soap if necessary. Avoid abrasive cleaners.
  • Visor: Clean the visor with a soft cloth and a mild, non-abrasive cleaner. Ensure it is completely dry before use.
  • Interior Liner: The anti-bacterial fabric liner can typically be removed for hand washing with mild soap and cold water. Allow it to air dry completely before reinserting. Do not machine wash or tumble dry.