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Leatt Helmet MTB - AllMtn | Endurance | Enduro | Trail | Urban



Size S M L
Head Circumference (cm)
51 - 55
55 - 59
59 - 63
Head Circumference (in)
20" - 21.6"
21.6" - 23.25"
23.25" - 24.75"

LEATT Helmet MTB AllMtn 4.0

Original price was: R3,450.00.Current price is: R1,960.00.

Sizing Guide
SKU: 1021000620 Categories: , , , , ,

The LEATT Helmet MTB AllMtn 4.0 has Extreme All-Mountain Head and Brain Protection! Includes the convenience of the Fidlock buckle system.

A universal sunglasses dock lets you safely dock your sunglasses under the visor when not in use. Protecting  from scratches and unwanted impacts.

The adjustable visor opens enough to place your goggles underneath, so you don’t have to constantly remove them.

The LEATT Helmet MTB AllMtn 4.0 has 360° Turbine Technology, which reduces both rotation acceleration and concussion level impacts. Do not be afraid to push the limits!

Gear up and be prepared for whatever is waiting along the trail!


  • 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-odour, and washable inner liner
  • In-moulded EPS + EP0 impact foam for superior energy absorption
  • Certified and tested: AS/NZS 2063:2008, EN1078, CPSC 1203
  • Weight: From 430g (0.95 lbs)
  • Sizing: #S (51-55cm – 20-21 5⁄8″) #M (55-59cm – 21 5⁄8 – 23 1⁄4″) Only size Small & Medium Available
  • 2021 Version

Check out other MTB AllMtn Helmet options like the LEATT Helmet MTB AllMtn 3.0 V24

Leatt Helmet Replacement Program

Additional information


Protection Size

S, M


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