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Leatt · Velocity 4.0

萊特速度 4.0

DOT ECE 22.05
萊特速度 4.0
萊特速度 4.0
萊特速度 4.0

Design Concept & Background

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萊特速度 4.0 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

Internal Fit Shape Intermediate Oval
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Where to buy

Best price $149.95 Amazon (US)
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Certified Leatt Stores in US

Price History

Product Concept & Specifications

Leatt (New Zealand)

Engineering & Technical Analysis

利特速度4.0采用先进的EPS衬垫，配备可变密度区域，以优化头骨的冲击能量吸收。其开放式面罩结构采用流线型外壳设计，在保持结构刚性的同时，通过复合玻璃纤维结构最大限度地减少正面阻力。

Fit & Shell Structure

Intermediate Oval Shape

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

[MATR.SHEL] Shell Construction Polycarbonate Outer structural material
[PHYS.MASS] Measured Weight 520g (1.15) Approximate medium size weight
[COVG.YEAR] Warranty 2 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case All-round Sport Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT, ECE 22.05 Certified safety standard
[SYS.PROT] Rotational Protection 1 Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Double D-Ring Chin strap buckle style
5 /5
SHARP Rating

SHARP Impact Test Score

Verified SHARP UK impact crash test scorecard representing multi-directional energy dissipation.

Acoustics & Aerodynamics

92 dB
Acoustics
8 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.

[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 Generic Speaker Cutouts 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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