Leatt · MTB 4.0 V21 · Leatt MTB 4.0 V21
Leatt MTB 4.0 V21 Gloss Red
Design Concept & Background
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Leatt MTB 4.0 V21 Gloss Red is a high-performance Full Face helmet engineered by Leatt to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.
Rider Profile & Intended Use
Where to buy
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Amazon (US)
Store Profile
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$299.95 | ● In Stock | 1 second ago | Buy Now → |
Certified Leatt Stores in US
Rocky Mountain ATV/MC
Authorized Dealer📍 Tillamook, OR and online
Price History
Product Concept & Specifications
Leatt (New Zealand)Engineering & Technical Analysis
The Leatt MTB 4.0 V21 utilizes a dual-density EPS liner system engineered to absorb high-impact energy while maintaining a low center of gravity for optimal bike handling. Its aerodynamic shell profile reduces wind turbulence, resulting in a drag coefficient of 0.34 and effective acoustic dampening that lowers noise levels by approximately 4dB compared to standard full-face designs.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Quiet Index: Superior sound damping and isolated ear cavity structures. Good flow balance utilizing EPS exhaust ports.
Technology & Convenience
Interactive Size & Fit Finder
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.
Available Colors & Graphics
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