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The Leatt MTB AllMtn 4.0 V25 helmet combines a lightweight design with unparalleled comfort. It provides excellent ventilation, an adjustable visor, and additional protection for the back of the head, making it the perfect choice for any trail.

Basic data

Brand Leatt
Country of origin of the brand Outside the European Union
Sport Bicycles
Gender Male, Woman
Season Year-round
Leading colour Red
Model/product code MTB AllMtn 4.0 V25 1025104221
Code 2000114681

Product details

Fastening type Magnetic Fidlock buckle
Shell In-Mold
Lining Washable, Moisture-wicking, Breathable
Mips No
Ventilation Yes
Technologies Anti Odor, 360° Turbine, Fidlock®, In-Mould
Weight 430 g

Additional information

Canopy Yes
Insect netting No

Warnings and producer's data

Standards, certificates AS/NZS 2063:2008, CPSC 1203, NTA 8776, CE EN 1078
Producer Leatt Corporation | 9555 N. Virginia Street, Suite 105, Reno, Nevada, 89506 | info@leatt.com | LARIX JANUSZ PIEŁA S.K.A. ul. Orzeszkowej 40 , 43-300 Bielsko-Biała Polska gpsr@larix.com.pl

Leatt MTB AllMtn 4.0 V25 lava bike helmet (1025104221)

Ventilation and Shell

The Leatt MTB AllMtn 4.0 V25 lava bike helmet provides optimal ventilation thanks to an advanced system of vents that allow free airflow. This solution effectively reduces head heating during intense riding, which is key for user comfort. The helmet shell is made using In-Mold technology, ensuring lightness while maintaining high impact resistance.

Lining and Ergonomics

The helmet lining is breathable and moisture-wicking, increasing comfort even during long rides. An additional advantage is that it is washable, making it easier to keep the helmet clean. Thanks to these features, the helmet is not only functional but also hygienic and practical. 

Technologies and Safety

The Leatt MTB AllMtn 4.0 V25 lava does not have a MIPS system but is equipped with 360° Turbine technology, which reduces the risk of head injuries by absorbing impact energy. The Fidlock® technology allows for quick and easy fastening and unfastening of the helmet thanks to a magnetic buckle. The helmet is also resistant to unpleasant odors thanks to Anti Odor technology.

Standards and Certifications

The helmet meets the most important safety standards, confirmed by certifications AS/NZS 2063:2008, CE EN 1078, CPSC 1203, and NTA 8776. These certificates guarantee that the product has passed rigorous tests and meets high protection and safety standards, which is extremely important for users seeking reliable protective solutions.

Visor and Weight

The product is equipped with a visor that effectively protects against sun and rain, increasing riding comfort in various weather conditions. The helmet weighs only 430 g, making it extremely lightweight and not burdensome on the head during prolonged wear. The Leatt brand guarantees high quality and attention to detail, making this model an attractive choice for mountain biking enthusiasts.

Anti Odor
An odour-prevention solution for technical clothing, thanks to the use of silver ions. Silver has a natural antibacterial effect and is safe for the skin. Garments with Anti Odour technology stay fresh for a long time.
360° Turbine
Cutting-edge technology involving the use of a third axis in the safety helmet and movable discs in the most strategic areas. The solution improves the wearer's safety in the event of an accident, minimising the risk of injury, including concussion.
Fidlock®
Magnetic locking systems, characterised by simplicity of use and durability. Modular technology provides the user with a multitude of fastening options.
In-Mould
In-mold is a manufacturing method in which the outer shell of the helmet is permanently bonded to a layer of inner protective foam during moulding. This makes the helmet lighter, more durable and better absorbs impacts. The process also provides an aesthetically pleasing finish and increased structural durability.
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Leatt MTB AllMtn 4.0 V25 lava bike helmet

Leatt MTB AllMtn 4.0 V25 lava bike helmet

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    SizeXSSMLXLXXL
    Head circumference (cm)53-5455-5657-5859-6061-6263-64
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    €159.99
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