HJC · RPHA 1N
RPHA 1N
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.
Designed for track use with a narrow fit profile; may feel tight on wide 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
""
Serving closed-circuit and supersport riders, the HJC RPHA 1N is designed to deliver razor-sharp aerodynamics in a chin-on-tank tuck. Featuring a High-Yield Impact-Resistant Polycarbonate / Lexan architecture at 1474g, it combines progressive kinetic energy dissipation across DOT, ECE 22.06, FIM certifications with an acoustically tuned ~92 dB aero profile. A plush, washable 3D comfort liner cradles Intermediate Oval head shapes with zero temple pinch for glasses wearers, locked in securely with track-proven Double D-Ring retention.
Key Highlights:
Rider Profile & Intended Use
Where to buy
| Retailer | Price | Availability | |
|---|---|---|---|
| Amazon (US) | Check live price | View on site | Check Price → |
Price History & Trends
ℹ️ Helmetsan is an independent motorcycle safety & decision engine. When you check prices or purchase via retailer links, Helmetsan may earn an affiliate commission at no additional cost to you.
Product Concept & Specifications
HJC (South Korea)Engineering & Technical Analysis
Features Premium Integrated Matrix (P.I.M. Plus) carbon and carbon-glass hybrid fabric shell structure paired with RapidFire II visor replacement system with 2D flat race shield and dual locking mechanism. The interior utilizes ACS Advanced Channeling Ventilation System with Multicool anti-bacterial temperature-regulating interior with pre-shaped speaker cutouts for seamless Bluetooth comms integration.
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
Designed for track use with a narrow fit profile; may feel tight on wide 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.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Black / | — |
HSN-VAR-HJC-RPHA-1N-BLACK | instock |
| Red Bull Austin / | — |
HSN-VAR-HJC-RPHA-1N-RED-BULL-AUSTIN | instock |
| Quartararo Replica / | — |
HSN-VAR-HJC-RPHA-1N-QUARTARARO-REPLICA | instock |
Available Colors & Graphics
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 699.99 USD | In Stock | Official | 2024-05-22 |
View on retailers
This helmet is linked to product pages on the following retailers. Links can be used for affiliate and as a source for data and images.
Compare & buy
Add this helmet to the comparison tool to see it side by side with others, or check current offers from trusted retailers.
User Reviews
Be the first to share your riding experience with this helmet.
Share your experience
No reviews yet. Be the first to share your experience with this helmet!
Compatible Accessories
More from HJC
HJC RPHA 11 Pro Carbon
HJC RPHA 71
IS-Cruiser
CL-17
i30
DS-X1
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.