Global Helmet Intelligence Platform

HJC · CL-17

CL-17 Matte Black

技術仕様確認済み Full Face DOT, Snell M2015 Polycarbonate 1327g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category フルフェイス
Certifications DOT, Snell M2015
Measured Weight 1327 g
Shell Material Polycarbonate
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, Snell M2015
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 3/5 Stars (SHARP UK)
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.

Suitable for oval to intermediate head shapes; may feel tight on very round 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

"Safety First"

Optimized for spirited canyon carvers and urban commuters alike, the HJC CL-17 Matte Black is crafted for daily urban navigators conquering dense traffic. Its High-Yield Impact-Resistant Polycarbonate / Lexan shell tips the scales at a featherweight 1327g, channeling boundary-layer airflow to maintain a ~85 dB acoustic cabin profile while meeting DOT, Snell M2015 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:

軽量ポリカーボネートシェル 先進的なチャネル式ベンチレーションシステム(ACS) Pinlock MaxVision対応 多層EPSライナー 取り外して洗濯可能なインナー

Rider Profile & Intended Use

Riding Style ツーリング
Helmet Category フルフェイス
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

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 CL-17 Matte Black is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Polycarbonate. 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, Snell M2015 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 Polycarbonate 外側の構造素材
Measured Weight 1327 g (2.93) 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 DOT, Snell M2015 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
SHARP衝撃評価 3/5 SHARP UK衝撃試験スコア確認済み

Acoustics & Aerodynamics

騒音レベル 88 dB 走行時に実測した風切り音
ベンチレーション 9/10 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 Legal
Required: DOT

Meets or exceeds DOT FMVSS 218 standards.

Regional Legality Guidance

US

Status: legal

Required: DOT

Meets or exceeds DOT FMVSS 218 standards.

Certification Documents & References

  • DOT-FMVSS-218 (US) - Department of Transportation - Reference
  • Snell-M2015 (Global) - Snell Memorial Foundation - Reference

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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.

Manufacturer Source
HJC Official Specification
Safety Testing Agency
DOT, Snell M2015 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-20