New Arrivals/Restock

Leatt - AllMtn 4.0 Helmet (MTB)

flash sale iconLimited Time Sale
Until the end
14
45
12

$714.70 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $1,021.00
quantity

Product details

Management number 206620103 Release Date 2025/11/01 List Price $306.30 Model Number 206620103
Category

Leatt - AllMtn 4.0 Helmet (MTB)

ULTIMATE ALL-MOUNTAIN HEAD AND BRAIN PROTECTION

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, NTA 8776 (Helmets for S-EPAC riders)
  • Weight:
    From 430g (0.95 lbs)
  • 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")

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review