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Bell · Pit Boss

Bell Pit Boss Flow Grey

VERIFIZIERTE TECHNISCHE SPEZIFIKATION 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 ✓ DOT
Rotational Protection None
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.

Designed for aggressive riding positions; may feel tight on larger head sizes due to fixed shell size.

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"

The Bell Pit Boss is a benchmark Half helmet crafted in United States 🇺🇸. Built around 3K Carbon Fiber shell featuring Flex Impact Liner with progressive three-layer density rotational energy management, it is engineered specifically for Intermediate Oval ergonomics. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. American helmet pioneer establishing safety standards since 1954.

Rider Profile & Intended Use

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

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Product Concept & Specifications

Bell (United States)

Engineering & Biomechanical Safety Analysis

Le Bell Pit Boss Flow utilise une construction en coque composite conçue pour équilibrer rigidité et réduction de poids, dotée d'un mécanisme d'écran solaire intégré qui préserve l'intégrité structurelle lors de son utilisation. Son profil aérodynamique minimise les turbulences au niveau de la mentonnière, tandis que le système d'admission multicanal assure un flux d'air constant sans compromettre la conception ouverte du casque jet.

The Bell Pit Boss Flow Grey 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.

Schalenkonstruktion Tri-Matrix Äußeres Strukturmaterial
Measured Weight 950 g (2.09) Ungefähres Gewicht in mittlerer Größe
Warranty 1 Jahr Dauer der Herstellergarantie
Hauptanwendungsbereich Off Road Optimierte Fahrorientierung

Safety & Certifications

Zertifizierung DOT Zertifizierter Sicherheitsstandard
Rotational Protection None Reduziert Rotationsaufprall
Notentriegelung Not specified Schnellentnahme der Wangenpolster
Kinnriemen Double D-Ring Art des Kinnriemenverschlusses

Acoustics & Aerodynamics

Geräuschpegel 102 dB Gemessene Windgeräusche bei Geschwindigkeit
Belüftung 6/10 Bewertung der Belüftungsleistung
Im Windkanal getestet Not specified Optimierte Helmschalen-Aerodynamik
Pinlock-Beschlagschutz Nicht enthalten Antibeschlag-Visiereinsatz

Technology & Convenience

Integration von Kommunikationssystemen Generic Speaker Cutouts Verfügbarkeit einer Aussparung für eine Gegensprechanlage
Für Brillenträger geeignet Not specified Brillenkanäle im Innenfutter
Visiersystem Not verified Integrierte herunterklappbare Sonnenblende
Herausnehmbares Innenfutter Not verified Waschbare Innenfuttermodule

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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
2026-09-20