Leatt MTB All Mtn 4.0
Best high performance helmet for aggressive mountain bikers seeking maximum protection.
Engineered for aggressive trail riding, this helmet prioritizes rotational impact protection and rider convenience. It combines a lightweight, durable shell with a magnetic buckle and smart storage solutions for eyewear, ensuring a secure and comfortable experience on technical terrain.
$199.99
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Who it's for
- Safety-conscious riders seeking advanced brain protection on technical trails
- Mountain bikers who prioritize breathability during high-output summer rides
- Riders wanting a hassle-free and secure chin strap system
Who should skip it
- Weight-conscious racers looking for the lightest possible gear
- Budget-focused cyclists seeking a more affordable entry-level option
- Cyclists with wider head profiles who require a more accommodating fit
Performance breakdown
Impact Protection
360° Turbine technology sets a high bar for rotational energy management.
Ventilation Efficiency
Eighteen vents provide steady airflow, though full-face coverage limits extreme cooling.
Ease of Use
Fidlock magnetic buckle makes securing the strap effortless, even with gloves.
Weight Profile
Solid construction adds durability, though it feels heavier than minimalist trail lids.
Eyewear Integration
Thoughtful dock design keeps sunglasses secure during aggressive, technical riding sections.
Fit Customization
Adjustable visor and washable liners allow for a highly personalized, comfortable fit.
Key Specs
Weight
430g
Material
Polymer shell with EPS + EP0 impact foam
Vents
18
Safety Technology
360° Turbine Technology
Certifications
AS/NZS 2063:2008, EN1078, CPSC 1203, ASTM F1952-15
Closure Type
Fidlock magnetic buckle
Visor Type
Adjustable with breakaway function
Removable Padding
Yes
Eyewear Compatible
Yes
Know before you buy
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