Leatt AllMtn 4.0 MTB Helmet - Brushed - 2024

Shop all Leatt   |   Shop all MTB Helmets

  • Hassle free
    365 Day Returns
  • Safe and Secure
    for peace of mind
  • Pay by Card, PayPal, Apple Pay & Google Pay

keyboard_arrow_right Description


Discover the pinnacle of mountain biking. Leatt’s all-new MTB All-MTN 4.0 helmet is created for those who venture where the air is thinner, and the trails are tougher. Whether you're a traditional mountain biker or an eBiker enthusiast, experience a helmet that seamlessly fuses style with cutting-edge protection, embodying the spirit of alpine adventure

The ultra-stylish design is not just about looks - the helmet houses 360° Turbine Technology, significantly reducing brain acceleration during impacts. The features include an adjustable visor and sunglasses dock port, making it the perfect companion for high-altitude escapades. Enjoy all-day comfort, mountain-ready durability, and unmatched functionality in one helmet. Dive into the new age of mountain biking with the MTB All-MTN 4.0.


  • Lightweight Polymer shell
  • Sunglasses dock port for easy, secure storage
  • Fidlock magnetic closure system
  • 360° Turbine Technology
  • Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion
  • Reduces peak brain rotational acceleration by up to 40%
  • Adjustable visor with breakaway function for rotational impact force reduction
  • Maximized ventilation with 18 vents. Optimized for riding and effective even at low speeds
  • Moisture wicking, breathable, anti-odor and washable inner liner
  • In-molded EPS + EP0 impact foam for superior energy absorption
  • Certified and tested: AS/NZS 2063:2008, EN1078, CPSC 1203, ASTM F1952-15
  • Weight:
  • From 430g (0.95 lbs)

Helmet Sizing

  • #S (51-55cm – 20-21 5⁄8")
  • #M (55-59cm – 21 5⁄8- 23 1⁄4")
  • #L (59-63cm – 23 1⁄4 - 24 3⁄4")

keyboard_arrow_right You Might Also Like

keyboard_arrow_right Ratings & Reviews