HJC · RPHA 1N
RPHA 1N Quartararo Replica
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 aggressive track tuck; may feel tight on larger head sizes due to narrow cheek pads.
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
"Safety First"
Born for the apex and high-speed straightaways, the HJC RPHA 1N Quartararo Replica is born on the race grid to conquer high-speed turbulence. Its High-Yield Impact-Resistant Polycarbonate / Lexan shell tips the scales at 1471g, channeling boundary-layer airflow to maintain a ~91 dB acoustic cabin profile while meeting DOT, ECE 22.06, FIM impact standards. The interior leverages moisture-wicking antibacterial liners contoured for an Intermediate Oval fit, integrating eyeglass channels and track-proven Double D-Ring retention.
Key Highlights:
Rider Profile & Intended Use
購入先
| 販売店 | 価格 | Availability | |
|---|---|---|---|
| Amazon (US) | 現在の価格を確認 | サイトで見る | 価格を確認 → |
価格履歴とトレンド
ℹ️ Helmetsanは、独立したオートバイの安全性・意思決定エンジンです。価格を確認したり、小売店のリンク経由で購入したりすると、追加費用なしでHelmetsanがアフィリエイト報酬を受け取る場合があります。
Product Concept & Specifications
HJC (South Korea)Engineering & Biomechanical Safety 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.
The RPHA 1N Quartararo Replica is engineered as a high-integrity Track/Race protective system, utilizing a structural shell constructed from PIM+. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.
Certified to ECE 22.06, DOT, FIM protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.
Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.
Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.
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 aggressive track tuck; may feel tight on larger head sizes due to narrow cheek pads.
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.
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 699.99 USD | In Stock | Official | 2024-05-22 |
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Compatible Motorcycles for the RPHA 1N Quartararo Replica
Aerodynamically sculpted for high-velocity chin-on-tank tuck, negative lift, and wide track peripheral visibility.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.