Global Helmet Intelligence Platform

HJC · RPHA 71

HJC RPHA 71 Course Blue

技術仕様確認済み Touring ECE 22.06, DOT PIM Evo 1600g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category ツーリング
Certifications ECE 22.06, DOT
Measured Weight 1600 g
Shell Material PIM Evo
Head Shape Fit Intermediate Oval
Retention System Double D-Ring
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ ECE 22.06, DOT
Rotational Protection Integrated shell design
SHARP Impact Score Not tested by SHARP
Retention Mechanism Double D-Ring
Emergency Release System Not specified

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.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

Intermediate oval fit, suitable for riders with a head shape that is slightly longer than it is wide.

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"

The HJC RPHA 71 embodies the pinnacle of touring helmet design, where sleek styling meets advanced engineering. Its aerodynamic shape slices through the wind with ease, while the 360° Rear Ventilation (RRV) system ensures optimal airflow and temperature regulation during long rides. The PIM Evo shell provides unparalleled impact resistance and lightweight durability, safeguarding the rider's head with confidence-inspiring protection. A moisture-wicking interior and adjustable padding guarantee a comfortable fit, while the advanced ventilation system keeps the rider's vision unobstructed and clear. With its DOT and ECE 22.06 certification, the HJC RPHA 71 sets a new standard for safety and performance. Whether navigating twisty roads or cruising down the highway, this helmet is the ultimate companion for the discerning rider.

Key Highlights:

PIM Evoシェル構造 360度リアベンチレーション(RRV)システム ECE 22.06およびDOT認証取得 吸汗速乾インナーライナー 中間的な楕円形の頭部形状 空力性能に優れたシェルデザイン 調整可能なインナーパッド

Rider Profile & Intended Use

Riding Style ツーリング
Helmet Category ツーリング
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

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

The HJC RPHA 71 Course Blue features advanced PIM Evo shell technology for superior impact resistance and lightweight durability. Its intermediate oval head shape ensures a comfortable, secure fit, while the touring-specific design prioritizes long-ride comfort with plush interior padding. The helmet includes an advanced ventilation system with adjustable airflow channels to maintain optimal cooling, making it ideal for extended journeys. Safety is enhanced with a multi-layered EPS liner and a Pinlock-ready visor to prevent fogging, ensuring clear visibility in varying conditions.

The HJC RPHA 71 Course Blue is engineered as a high-integrity Touring protective system, utilizing a structural shell constructed from PIM Evo. 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 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.

シェル構造 PIM Evo 外側の構造素材
Measured Weight 1600 g (3.53) Mサイズのおおよその重量
Warranty 1年 メーカー補償期間
主な用途 ツーリング 最適化されたライディング姿勢

Safety & Certifications

認証 ECE 22.06, DOT 認証済み安全規格
Rotational Protection Integrated shell design 回転衝撃を軽減
緊急リリース Not specified チークパッドのクイック取り外し
保持ストラップ Double D-Ring チンストラップのバックルタイプ

Acoustics & Aerodynamics

騒音レベル 82 dB 走行時に実測した風切り音
ベンチレーション 8/10 エアフローパフォーマンス評価
風洞試験済み Not specified 最適化されたシェルの空力性能
Pinlock 防曇 含まれていません 曇り止めバイザーインサート

Technology & Convenience

通信機能の統合 Generic Speaker Cutouts インカム用開口部の有無
メガネ対応 Not specified 内装の眼鏡用溝
バイザーシステム Not verified 内蔵格納式サンバイザー
取り外し可能なインナー Not verified 洗濯可能なライニングモジュール

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Meets Federal Motor Vehicle Safety Standard 218.

🌐 CA Street Legal
Required: DOT, ECE 22.06

Compliant with regional safety standards for road use.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets Federal Motor Vehicle Safety Standard 218.

CA

Status: Street Legal

Required: DOT, ECE 22.06

Compliant with regional safety standards for road use.

Certification Documents & References

  • DOT (US) - Department of Transportation - Reference
  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • Snell M2015 (US) - Snell Memorial Foundation - Reference
  • JIS T 8133:2015 (JP) - Japanese Industrial Standard - Reference

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

NO VERIFIED RIDER REVIEWS YET

Be the first to share your riding experience with this helmet.

5 stars
0
4 stars
0
3 stars
0
2 stars
0
1 stars
0

No reviews yet. Be the first to share your experience with this helmet!

More from HJC

VEHICLE SYNERGY & ERGONOMICS

Compatible Motorcycles for the HJC RPHA 71 Course Blue

Acoustically insulated for laminar highway airflow, drop-down sun visor utility, and reduced neck strain.

Aprilia 98% Match

RS 457 Supersport

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 96% Match

RS 457 Supersport (Race Replica)

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 94% Match

RS 660 Extrema Carbon

Urban Roadster 660 cc 85 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 92% Match

RS 660 Extrema Carbon (Special Edition)

Urban Roadster 660 cc 89 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Data Confidence & Verification Provenance

Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.

Manufacturer Source
HJC Official Specification
Safety Testing Agency
ECE 22.06, DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21