Global Helmet Intelligence Platform

Bell · Moto-9S Flex

Moto-9S Flex Tomac Replica

技术规格已验证 Dirt/MX DOT, Snell M2020 Composite 1414g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Dirt/MX
Certifications DOT, Snell M2020
Measured Weight 1414 g
Shell Material Composite
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 ✓ FIM/FIA/AMA
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.

专为激进的骑行姿态设计;适用于大多数头型,但由于内部衬垫密度较高,在较大的头型上可能会感觉较紧。

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

"The Best Protection"

体验 Bell Moto-9S Flex Tomac Replica:融合美国 🇺🇸 工艺与 Panovision Class-1 光学遮阳镜(具备更宽的侧向视野),并配备 Virus CoolJade 抗细菌内衬,搭配 Magnefusion 磁吸可拆卸颊垫。专为追求极致安全与气动声学舒适度的骑士而设计。

Moto-9S Flex Tomac Replica represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under Bell's strict quality assurance standards in United States, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.

Within the Dirt/MX segment, ergonomic weight distribution and acoustic insulation are paramount. The chassis geometry is tailored to distribute mass directly above the cervical pivot axis, counteracting high-speed buffeting and minimizing long-distance rider fatigue. Inspect the verified laboratory telemetry and structural analysis below for detailed performance parameters.

Key Highlights:

Flex 冲击吸收内衬 轻量化复合外壳 3D Max-Dry 系统,排汗速度提升 3 倍 可调节通风通道 宽广视野

Rider Profile & Intended Use

Riding Style Motocross
Helmet Category Dirt/MX
Internal Fit Shape Intermediate Oval
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价格历史与趋势

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Product Concept & Specifications

Bell (United States)

Engineering & Biomechanical Safety Analysis

采用 3K 碳纤维外壳,配备 Flex Impact Liner(具有渐进式三层密度旋转能量管理系统),并搭配具备更宽侧向视野的 Panovision Class-1 光学遮阳镜。内衬采用 Virus CoolJade 抗细菌内衬,并配备 Magnefusion 磁吸可拆卸颊垫,预留扬声器开口,可无缝集成蓝牙通讯系统。

The Moto-9S Flex Tomac Replica is engineered as a high-integrity Dirt/MX protective system, utilizing a structural shell constructed from Composite. 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 M2020 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.

外壳结构 Composite 外部结构材料
Measured Weight 1414 g (3.12) 中号尺寸的大约重量
Warranty 1 年 制造商保障期限
主要用途 Motocross 优化的骑行姿态

Safety & Certifications

认证 FIM/FIA/AMA 经认证的安全标准
Rotational Protection Yes (Rotational Mitigation) 减轻旋转冲击
紧急释放 Not specified 脸颊垫快速拆卸
固定带 Double D-Ring 下巴带扣类型
SHARP 碰撞评级 3/5 SHARP UK 冲击测试成绩已验证

Acoustics & Aerodynamics

噪音水平 94 dB 实测高速风噪
通风 8/10 气流性能评级
风洞测试 Not specified 优化的外壳空气动力学
Pinlock 防雾 未包含 防雾镜片内衬

Technology & Convenience

通信设备集成 Generic Speaker Cutouts 对讲机开孔可用性
适合佩戴眼镜 Not specified 内衬眼镜凹槽
面罩系统 Not verified 一体式下拉式遮阳镜
可拆卸内衬 Not verified 可清洗内衬模块

Regional Legality & Compliance

🇺🇸 US Legal
Required: DOT, Snell M2020

Compliant with US safety regulations.

🌐 CA Legal
Required: DOT, Snell M2020

Compliant with Canadian safety regulations.

Regional Legality Guidance

US

Status: legal

Required: DOT, Snell M2020

Compliant with US safety regulations.

CA

Status: legal

Required: DOT, Snell M2020

Compliant with Canadian safety regulations.

Certification Documents & References

  • DOT (US) - Department of Transportation - Reference
  • Snell M2020 (US) - 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
Bell Official Specification
Safety Testing Agency
DOT, Snell M2020 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-09