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Leatt · MTB 4.0 V21

Leatt MTB 4.0 V21 Carbon

DOT ECE 22.05

Design Concept & Background

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Leatt MTB 4.0 V21 Carbon is a high-performance motorcycle helmet engineered by Leatt to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Rider Profile & Intended Use

Riding Style Off Road
Internal Fit Shape Intermediate Oval
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Price History

Product Concept & Specifications

Leatt (New Zealand)

Engineering & Technical Analysis

Der Leatt MTB 4.0 V21 Carbon stellt die Sicherheit des Fahrers durch seine integrierte 360°-Turbinen-Technologie in den Vordergrund, die bei Stößen die Rotationsbeschleunigung und das Gehirnerschütterungsrisiko signifikant reduziert. Der Komfort wird durch eine leichte Carbonfaserschale sowie feuchtigkeitsableitende, atmungsaktive Innenpolster, die einen sicheren und stabilen Sitz gewährleisten, zusätzlich erhöht. Die Belüftung wird durch 13 strategisch platzierte Öffnungen und große Luftkanäle optimiert, was selbst bei intensiven Offroad-Fahrten für eine konstante Kühlung sorgt.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

[MATR.SHEL] Shell Construction Carbon Fiber Outer structural material
[PHYS.MASS] Measured Weight 880g (1.94) Approximate medium size weight
[COVG.YEAR] Warranty Standard Manufacturer coverage duration
[OPER.ROLE] Primary Use Case Off Road Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT, ECE 22.05 Certified safety standard
[SYS.PROT] Rotational Protection Standard EPS Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Micrometric Chin strap buckle style

Acoustics & Aerodynamics

N/A
Acoustics
N/A /10
Ventilation

Aero-acoustic profile pending track testing. Ventilation flow score awaiting CFD test.

[AERO.TEST] Wind Tunnel Tested No Optimized shell aerodynamics
[VISR.FOG] Pinlock Tech Not Included Anti-fog shield insertion

Technology & Convenience

[SYS.COMM] Comms Integration N/A Intercom cutout availability
[FIT.GLASS] Glasses Friendly No Inner lining eyewear grooves
[VISR.SYS] Visor Shield Tech Single Visor Integrated drop-down sun visor
[FIT.LINR] Removable Interior Partial / Fixed Washable lining modules

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