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Bell · Moto-9S Flex

Bell Moto-9S Flex Negro mate

ESPECIFICACIÓN TÉCNICA VERIFICADA Dirt/MX DOT, Snell M2020 Composite 1450g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Dirt/MX
Certifications DOT, Snell M2020
Measured Weight 1450 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 ✓ DOT, Snell M2020
Rotational Protection Flex Impact Liner
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.

Designed for aggressive riding posture; features a flex-fit system that accommodates various head sizes without compromising safety. The matte black finish reduces glare and heat absorption.

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"

Dominate the track in absolute style with the Bell Moto-9S Flex Matte Black. This elite dirt helmet merges aggressive aesthetics with uncompromising safety technology, featuring a sleek matte finish that commands respect on the podium. Engineered for high-speed MX racing, it delivers superior ventilation to keep you cool during intense laps while maintaining a low drag coefficient for enhanced aerodynamics. The advanced Multi-Density EPS liner offers customized impact protection tailored to your head shape, ensuring maximum safety without sacrificing weight efficiency. Experience the perfect synergy of form and function with a visor system designed for quick eye contact and clear visibility in all lighting conditions. Whether you are chasing podium finishes or pushing personal limits, the Moto-9S Flex is your ultimate partner in performance.

Key Highlights:

Forro Flex que absorbe los impactos Calota compuesta ligera El sistema 3D Max-Dry evacua la humedad 3 veces más rápido Canales de ventilación ajustables Amplio campo de visión

Rider Profile & Intended Use

Riding Style Motocross
Helmet Category Dirt/MX
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Dónde comprar

Vendedor Precio Availability
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Historial de precios y tendencias

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Product Concept & Specifications

Bell (United States)

Engineering & Biomechanical Safety Analysis

The Moto-9S Flex utilizes Bell's proprietary Multi-Density EPS liner and a composite fiberglass shell to balance lightweight agility with high-impact structural integrity. Its aerodynamic profile is engineered to minimize wind buffeting at speed, while the integrated visor system ensures optimal airflow management without compromising acoustic isolation.

The Bell Moto-9S Flex Negro mate 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.

Construcción de la calota Composite Material estructural exterior
Measured Weight 1450 g (3.2) Peso aproximado en talla mediana
Warranty 1 año Duración de la cobertura del fabricante
Uso principal Motocross Orientación de conducción optimizada

Safety & Certifications

Certificación DOT, Snell M2020 Estándar de seguridad certificado
Rotational Protection Flex Impact Liner Atenúa el impacto rotacional
Liberación de emergencia Not specified Extracción rápida de las almohadillas de mejilla
Correa de retención Double D-Ring Tipo de hebilla de la correa de la barbilla
Clasificación de impacto SHARP 3/5 Puntuación verificada de la prueba de impacto SHARP UK

Acoustics & Aerodynamics

Nivel de ruido 92 dB Ruido del viento medido a velocidad
Ventilación 8/10 Valoración del rendimiento del flujo de aire
Probado en túnel de viento Not specified Aerodinámica optimizada de la calota
Pinlock antivaho No incluido Inserto antivaho para visor

Technology & Convenience

Integración de comunicaciones Generic Speaker Cutouts Disponibilidad de abertura para intercomunicador
Apto para gafas Not specified Ranuras para gafas en el forro interior
Sistema de pantalla Not verified Visor solar integrado abatible
Interior extraíble Not verified Módulos de forro lavables

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
2026-09-21