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Bell · Pit Boss

Bell Pit Boss Flow Gris

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Half DOT Tri-Matrix 950g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Half
Certifications DOT
Measured Weight 950 g
Shell Material Tri-Matrix
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
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 5/5 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; fits most head shapes but may feel tight on very large heads due to internal padding density.

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"

Command the road with the Bell Pit Boss Flow in a striking Grey finish, where bold style meets uncompromising performance. As an evolution of the classic Pit Boss, this half-helmet delivers superior aerodynamics and enhanced ventilation, keeping you cool during high-speed rides without sacrificing safety. The integrated sun visor offers instant protection against glare, while the lightweight composite shell ensures all-day comfort. Perfect for sport touring or casual cruising, its aggressive lines and premium grey aesthetic make a statement in any crowd. Experience the perfect blend of retro charm and modern engineering with a fit designed for intermediate oval heads, providing that secure, locked-in feel you crave on every journey.

Rider Profile & Intended Use

Riding Style Off Road
Helmet Category Half
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Où acheter

Revendeur Prix Availability
Amazon (US) Voir le prix en temps réel Voir sur le site Voir le prix →

Historique et tendances des prix

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Product Concept & Specifications

Bell (United States)

Engineering & Biomechanical Safety Analysis

The Bell Pit Boss Flow utilizes a composite shell construction designed to balance rigidity with weight reduction, featuring an integrated sun visor mechanism that maintains structural integrity during operation. Its aerodynamic profile minimizes turbulence at the chin bar while the multi-channel intake system ensures consistent airflow without compromising the half-helmet's open-face design.

The Bell Pit Boss Flow Gris is engineered as a high-integrity Half protective system, utilizing a structural shell constructed from Tri-Matrix. 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.

Construction de la coque Tri-Matrix Matériau structurel extérieur
Measured Weight 950 g (2.09) Poids approximatif en taille moyenne
Warranty 1 an Durée de la couverture du fabricant
Cas d’utilisation principal Off Road Orientation de conduite optimisée

Safety & Certifications

Certification ECE 22.06 Norme de sécurité certifiée
Rotational Protection Yes (Rotational Mitigation) Atténue l'impact rotationnel
Déverrouillage d’urgence Not specified Retrait rapide des mousses de joues
Sangle de rétention Double D-Ring Type de boucle de jugulaire
Évaluation d’impact SHARP 5/5 Score vérifié au test d’impact SHARP UK

Acoustics & Aerodynamics

Niveau sonore 94 dB Bruit du vent mesuré à vitesse élevée
Ventilation 7/10 Évaluation des performances de ventilation
Testé en soufflerie Not specified Aérodynamisme optimisé de la calotte
Pinlock antibuée Non inclus Insert antibuée pour visière

Technology & Convenience

Intégration des communications Generic Speaker Cutouts Disponibilité d’une découpe pour intercom
Compatible avec les lunettes Not specified Rainures pour lunettes dans la doublure intérieure
Système de visière Not verified Écran solaire intégré escamotable
Intérieur amovible Not verified Modules de doublure lavables

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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 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21