Global Helmet Intelligence Platform

Nolan · N21 Visor

Nolan N21 Visor Racer TC-3

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Open Face ECE 22.06 Polycarbonate 1100g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Casque ouvert
Certifications ECE 22.06
Measured Weight 1100 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 ✓ ECE 22.05
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 with extended cheek coverage; requires chin strap for secure fit during high-speed riding.

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

"Passion for Safety"

Experience the perfect blend of vintage racing heritage and modern safety engineering with the Nolan N21 Visor Racer TC-3. This open-face masterpiece features a sleek, aggressive profile designed to slice through the wind, offering superior aerodynamics for high-speed stability. The integrated TC-3 sun visor provides instant protection against glare, ensuring your vision remains crystal clear in any lighting condition. Crafted with premium materials and an ergonomic Intermediate Oval fit, it delivers unmatched comfort on long rides while retaining the classic look of a true racer. Whether you are navigating city streets or carving up the track, the N21 Visor Racer TC-3 is your ultimate companion for style and performance.

Rider Profile & Intended Use

Riding Style Commuter
Helmet Category Casque ouvert
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

ℹ️ Helmetsan est un moteur indépendant de sécurité et d’aide à la décision pour les motos. Lorsque vous consultez des prix ou achetez via des liens de revendeurs, Helmetsan peut percevoir une commission d’affiliation, sans frais supplémentaires pour vous.

Product Concept & Specifications

Nolan (Italy)

Engineering & Biomechanical Safety Analysis

The N21 Visor Racer TC-3 utilizes a dual-density EPS liner with an extended energy-absorbing zone to maximize impact protection while maintaining a lightweight profile. Its aerodynamic shell design minimizes wind turbulence, and the integrated sun visor allows for rapid transition between day and night riding without compromising structural integrity.

The Nolan N21 Visor Racer TC-3 is engineered as a high-integrity Open 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 22.06 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 Polycarbonate Matériau structurel extérieur
Measured Weight 1100 g (2.43) Poids approximatif en taille moyenne
Warranty 2 Years Durée de la couverture du fabricant
Cas d’utilisation principal Commuter Orientation de conduite optimisée

Safety & Certifications

Certification ECE 22.05 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 86 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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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
Nolan Official Specification
Safety Testing Agency
ECE 22.06 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21