HJC · RPHA 1N · HJC RPHA 1N
HJC RPHA 1N Red Bull Austin
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, fits medium to long oval-shaped heads.
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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The HJC RPHA 1N helmet embodies the perfect blend of sleek styling and advanced engineering, delivering unparalleled performance and protection on the track. Its aerodynamic design slices through the air with ease, reducing wind resistance and drag while maintaining a stable and secure fit. The ventilation system is meticulously crafted to provide optimal airflow, keeping the rider cool and focused during even the most intense rides. With its sleek, streamlined appearance, the RPHA 1N helmet is not only a formidable competitor on the track but also a stylish statement piece. Its advanced engineering and cutting-edge features make it the ultimate choice for riders who demand the best. Whether you're pushing the limits of speed or simply enjoying a spirited ride, the HJC RPHA 1N helmet has got you covered.
Key Highlights:
Rider Profile & Intended Use
Where to buy
Price History & Trends
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Product Concept & Specifications
HJC (South Korea)Engineering & Technical Analysis
The HJC RPHA 1N Red Bull Austin helmet features a PIM+ shell material, providing enhanced safety and impact protection. It offers a comfortable fit with adjustable cheek pads and a well-ventilated design, including 10 intake and 5 exhaust vents for optimal airflow. This track/race helmet is suitable for riders seeking a high-performance, secure, and breathable option.
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 and FIM/ECE 22.06 for track use.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
Intermediate oval head shape, fits medium to long oval-shaped heads.
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.
Available Colors & Graphics
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 699.99 USD | In Stock | Official | 2024-05-22 |
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Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.