HJC · RPHA 91
HJC RPHA 91
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
Intermediate oval head shape ensures a comfortable fit for most riders.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Design Concept & Background
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Elevate your ride with the HJC RPHA 91 Modular Helmet, engineered for superior performance and protection. This cutting-edge helmet boasts sleek styling, crafted to reduce wind resistance and enhance aerodynamics. Advanced engineering ensures optimal ventilation, keeping you cool and focused on the road. The RPHA 91 features a wide field of vision, providing unobstructed views of the surroundings. With its PIM Evo shell construction and multi-layer impact-absorbing liner, this helmet delivers unparalleled safety and protection. Whether you're tackling long highway stretches or navigating twisty mountain roads, the HJC RPHA 91 Modular Helmet is the ultimate touring companion, engineered to keep you protected and performing at your best.
Key Highlights:
Rider Profile & Intended Use
Where to buy
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Amazon (US)
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Price History & Trends
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Product Concept & Specifications
HJC (South Korea)Engineering & Technical Analysis
The HJC RPHA 91 features advanced PIM Evo shell construction for superior impact protection, combined with a modular design offering versatility. Its intermediate oval head shape ensures a comfortable fit, while advanced ventilation channels provide efficient airflow to keep riders cool. The helmet integrates safety tech like a multi-layer impact-absorbing liner and a secure chin strap system, balancing performance and comfort for long rides.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Regional Legality & Compliance
Meets DOT FMVSS 218 standards for street use in the United States.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
Intermediate oval head shape ensures a comfortable fit for most riders.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Matte Black / | — |
HJC-RPHA-BLK | instock |
| Anthracite / | — |
HJC-RPHA-GRE | instock |
| Silver Metallic / | — |
HJC-RPHA-GRE | instock |
| Track TC-5 / | — |
HJC-RPHA-TRA | instock |
| Apex Blue / | — |
HJC-RPHA-APE | instock |
| Apex Red / | — |
HJC-RPHA-APE | instock |
Available Colors & Graphics
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 549.9 USD | In Stock | Manufacturer | 2022-01-01 |
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Compatible Accessories
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i90
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.