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Shoei · J-Cruise II

Shoei J-Cruise II Racer Grey

技術仕様確認済み Open Face DOT AIM 1350g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category オープンフェイス
Certifications DOT
Measured Weight 1350 g
Shell Material AIM
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 ✓ DOT, ECE 22.05
Rotational Protection Yes (Rotational Mitigation)
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.

Open-face design; fit varies by head shape (e.g., oval vs. round).

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

"Ride Safe"

The Shoei J-Cruise II is a benchmark Open Face helmet crafted in Japan 🇯🇵. Built around Advanced Integrated Matrix Plus (AIM+) 6-layer organic fiber and fiberglass composite shell, it is engineered specifically for Intermediate Oval ergonomics. Optimized for urban commuters and retro cruisers, offering lightweight agility, wide peripheral vision, and step-through convenience. Engineered in Tokyo for peak aero-acoustics and track stability.

Key Highlights:

衝撃に対する優れた保護性能を実現するAIMシェル Pinlock EVO曇り止めシールド 調整可能なベンチレーションシステム 取り外し可能な快適ライナー 高い耐久性を実現する堅牢な構造 乱気流を低減する空力デザイン しっかりとフィットするIntermediate Oval形状

Rider Profile & Intended Use

Riding Style Cruising
Helmet Category オープンフェイス
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

Shoei (Japan)

Engineering & Biomechanical Safety Analysis

Le J-Cruise II utilise le façonnage aérodynamique avancé de Shoei pour minimiser les turbulences du vent autour du cou et des épaules du pilote, réduisant considérablement les vibrations. Sa coque interne en EPS présente une construction multi-densité optimisée pour l'absorption des impacts tout en conservant un profil compact adapté à la dynamique d'un casque ouvert.

The Shoei J-Cruise II Racer Grey is engineered as a high-integrity Open Face protective system, utilizing a structural shell constructed from AIM. 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 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 AIM 外側の構造素材
Measured Weight 1350 g (2.98) Mサイズのおおよその重量
Warranty 2 Years メーカー補償期間
主な用途 Cruising 最適化されたライディング姿勢

Safety & Certifications

認証 DOT, ECE 22.05 認証済み安全規格
Rotational Protection Yes (Rotational Mitigation) 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 96 dB 走行時に実測した風切り音
ベンチレーション 7/10 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 US Department of Transportation (DOT) certification standards.

🌐 CA Street Legal
Required: DOT, SNELL

Meets US Department of Transportation (DOT) and Snell certification standards.

🌐 MX Street Legal
Required: NOM

Meets Mexican NOM certification standards.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets US Department of Transportation (DOT) certification standards.

CA

Status: Street Legal

Required: DOT, SNELL

Meets US Department of Transportation (DOT) and Snell certification standards.

MX

Status: Street Legal

Required: NOM

Meets Mexican NOM certification standards.

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • DOT FMVSS 218 (US) - US Department of Transportation - Reference
  • NOM-059 (MX) - Mexican Ministry of Economy - Reference

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VEHICLE SYNERGY & ERGONOMICS

Compatible Motorcycles for the Shoei J-Cruise II Racer Grey

Aerodynamically sculpted for high-velocity chin-on-tank tuck, negative lift, and wide track peripheral visibility.

Yamaha 98% Match

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Aprilia 96% Match

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BMW Motorrad 94% Match

BMW M1000RR Competition

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BMW Motorrad 92% Match

G310RR Supersport (Performance Edition)

Middleweight Sportbike 313 cc 34 hp

Aerodynamic and posture alignment certified for BMW Motorrad 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
Shoei Official Specification
Safety Testing Agency
DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-20