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Leatt · MTB 4.0 V21

莱特山地自行车 4.0 V21 鲜黑色

DOT, ECE 22.05

Design Story & Interactive HUD

Leatt (New Zealand)
"Protect what you love"

The Narrative

征服崎岖山径,Leatt MTB 4.0 V21 全脸头盔专为速度与安全而设计,丝毫不牺牲透气性。采用高强度复合材料打造,这款哑光黑配色的精品拥有凌厉的气动外形,切割气流减少阻力,在漫长下坡时保持清凉。先进的通风系统确保最佳气流,避免在陡坡或技术路段骑行时过热。稳固的贴合性与卓越的冲击吸收技术,助您突破极限时安心无虞。无论是疾速下山还是探索偏远单轨,MTB 4.0 V21 集前沿防护与简约现代外观于一身,每次骑行都能吸引目光。

Technical Analysis

莱特 MTB 4.0 V21 采用多密度 EPS 内衬架构,专为应对山地车动力学中的旋转冲击力而设计。其气动外壳几何结构在保持关键部位碳纤维加固结构刚性的同时,最大限度地减少风阻。

Homologation DOT, ECE 22.05 Certified safety standard
Rotational Protection Standard EPS Mitigates rotational impact
Emergency Release Not Equipped Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
Acoustics Quietness 92 dB

Extremely Quiet: Superior long-distance sound damping.

Ventilation Flow 6/10

Good Flow: Standard EPS exhaust ports.

Wind Tunnel Tested No Optimized shell aerodynamics
Pinlock Tech Not Included Anti-fog shield insertion
Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly No Inner lining eyewear grooves
Visor Shield Tech Single Visor Integrated drop-down sun visor
Removable Interior Partial / Fixed Washable lining modules

Intermediate Oval Shape

Intermediate oval fit, the standard ergonomic profile suited for the majority of riders.

Shell Construction Carbon Fiber Outer structural material
Measured Weight 980g (2.16) Approximate medium size weight
Warranty 2 Manufacturer coverage duration
Primary Use Case All-round Sport Optimized riding orientation
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Price History

Interactive Size & Fit Finder

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.

Leatt MTB 4.0 V21 is a full-face helmet designed for mountain biking with an extended rear coverage for better protection against impacts from above and behind.

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.

Certification Documents & References

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