Global Helmet Intelligence Platform

Steelbird · Zoom

Steelbird Zoom Cinzento

ESPECIFICAÇÃO TÉCNICA VERIFICADA Open Face DOT, ISI ABS 860g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Aberto
Certifications DOT, ISI
Measured Weight 860 g
Shell Material ABS
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.

Open face design offers maximum ventilation; suitable for track days and street riding in warm climates. Chin bar provides limited impact protection compared to full-face models.

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"

Conquer the city streets in style with the Steelbird Zoom Grey, a helmet that seamlessly blends aggressive aesthetics with practical performance. Designed for the modern rider who demands visibility and comfort, this open-face model features a sleek grey finish that commands attention while keeping you cool through its highly efficient dual-ventilation system. Despite its lightweight build, it delivers robust safety standards required for daily commuting and spirited riding. The Zoom's ergonomic fit ensures a secure lock on your head, reducing fatigue during long rides, while the clear visor offers superior optical clarity against glare. Upgrade your gear with a helmet that proves you don't need to sacrifice style or safety to save money.

Rider Profile & Intended Use

Riding Style Commuter
Helmet Category Aberto
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Onde comprar

Revendedor Preço Availability
Amazon (US) Ver preço atual Ver no site Ver preço →

Histórico e tendências de preços

ℹ️ A Helmetsan é um motor independente de segurança e apoio à decisão para motociclos. Quando consulta preços ou compra através de ligações de retalhistas, a Helmetsan pode receber uma comissão de afiliado sem custos adicionais para si.

Product Concept & Specifications

Steelbird (India)

Engineering & Biomechanical Safety Analysis

The Steelbird Zoom utilizes a composite polycarbonate shell engineered for impact absorption while maintaining an open-face profile that prioritizes airflow over full-enclosure aerodynamics. Its internal EPS liner is strategically contoured to match the Intermediate Oval head shape, ensuring stability at speed without compromising the lightweight construction typical of budget-friendly street helmets.

The Steelbird Zoom Cinzento is engineered as a high-integrity Open Face protective system, utilizing a structural shell constructed from ABS. 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, ISI 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.

Construção da calota ABS Material estrutural externo
Measured Weight 860 g (1.9) Peso aproximado no tamanho médio
Warranty 1 ano Duração da cobertura do fabricante
Caso de uso principal Commuter Orientação de condução otimizada

Safety & Certifications

Certificação ECE 22.06 Padrão de segurança certificado
Rotational Protection Yes (Rotational Mitigation) Atenua o impacto rotacional
Libertação de emergência Not specified Remoção rápida das almofadas das bochechas
Cinta de retenção Double D-Ring Tipo de fivela da cinta jugular
Classificação de impacto SHARP 5/5 Pontuação verificada no teste de impacto SHARP UK

Acoustics & Aerodynamics

Nível de ruído 92 dB Ruído do vento medido em velocidade
Ventilação 7/10 Avaliação do desempenho do fluxo de ar
Testado em túnel de vento Not specified Aerodinâmica otimizada da calota
Pinlock antiembaçante Não incluído Inserto antiembaciamento para viseira

Technology & Convenience

Integração de comunicações Generic Speaker Cutouts Disponibilidade de abertura para intercomunicador
Compatível com óculos Not specified Ranhuras para óculos no forro interior
Sistema de viseira Not verified Viseira solar integrada rebatível
Forro removível Not verified Módulos de forro laváveis

Compare & buy

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VEHICLE SYNERGY & ERGONOMICS

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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
Steelbird Official Specification
Safety Testing Agency
DOT, ISI Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21