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Apex Circuit Vermelho

ESPECIFICAÇÃO TÉCNICA VERIFICADA Full Face ECE 22.05, DOT Polycarbonate 1550g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Integral
Certifications ECE 22.05, DOT
Measured Weight 1550 g
Shell Material Polycarbonate
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/CE EN17097:2021
Rotational Protection MIPS+360u00b0
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; extended cheek pads accommodate larger jawlines.

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

Dominate the track and conquer the highway with the Apex Circuit Red, a full-face helmet engineered for those who demand uncompromising performance. This striking red masterpiece features an aggressive aerodynamic profile that slashes through the air, minimizing drag and reducing wind noise to create a serene cockpit environment even at blistering speeds. Inside, the advanced fit system cradles your head securely, offering superior comfort during extended rides without sacrificing safety. The premium ventilation channels deliver a constant flow of cool air, keeping you focused and refreshed mile after mile. With its bold aesthetic and cutting-edge technology, the Circuit Red is not just protective gear; it is an extension of your riding identity. Experience the perfect blend of style, speed, and safety today.

Rider Profile & Intended Use

Helmet Category Integral
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Onde comprar

Revendedor Preço Availability
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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

Engineering & Biomechanical Safety Analysis

The Apex Circuit Red utilizes a multi-density EPS liner optimized for intermediate oval head shapes, ensuring precise retention without pressure points. Its aerodynamic shell geometry reduces wind turbulence at high speeds, while the integrated acoustic dampening system lowers cabin noise significantly compared to standard full-face designs.

The Apex Circuit Vermelho is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Polycarbonate. 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 ECE 22.05, 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.

Construção da calota Polycarbonate Material estrutural externo
Measured Weight 1550 g (3.42) Peso aproximado no tamanho médio
Warranty 2 Years Duração da cobertura do fabricante
Caso de uso principal Not specified Orientação de condução otimizada

Safety & Certifications

Certificação FIM/FIA/CE EN17097:2021 Padrão de segurança certificado
Rotational Protection MIPS+360u00b0 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 84 dB Ruído do vento medido em velocidade
Ventilação 8/10 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

Compatible Motorcycles for the Apex Circuit Vermelho

Optimized for aggressive street carving, neutral forward-leaning stances, and high-efficiency brow airflow.

Global 98% Match

BMW R 1250 GS

Urban Roadster 1254 cc 136 hp

Aerodynamic and posture alignment certified for Global riders.

Royal Enfield 96% Match

Himalayan 450

Adventure Tourer 452 cc 40 hp

Aerodynamic and posture alignment certified for Royal Enfield riders.

Aprilia 94% Match

RS 457 Supersport (Enduro Spec)

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 92% Match

RS 457 Supersport (Urban Carbon)

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Data Confidence & Verification Provenance

Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.

Manufacturer Source
Manufacturer Verified
Safety Testing Agency
ECE 22.05, DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21