Leatt MTB Gravity 4.0 Full Face Mountain Cycling Helmet V24

AWARD WINNING FULL-FACE HEAD AND BRAIN PROTECTION WITH SUPERIOR VENTILATION
Today’s riders face a wide range of variable terrain and conditions. This ASTM DH-certified helmet has you covered no matter what’s ahead. It’s a great option for everything from enduro to bikepark laps to e-bike trail riding
The full-face-only design offers outstanding ventilation and boasts a clever, modular mouthpiece that’s removable to increase airflow. And the extra-convenient Fidlock® magnetic buckle is easy to operate even when your fingers are cramping with arm pump!
It is important to use a helmet that reduces both rotation and linear impact energy to your head and brain. All Leatt helmets feature 360 ̊ Turbine Technology. This design utilizes a network of small discs constructed of a non-Newtonian, energy-absorbing material. Because these Turbines can move 360 ̊ (omnidirectional), this technology has two exclusive advantages: namely the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level
Add it all up – you won’t find a better option at this price.
Key Features:
- DH certified lightweight Polymer shell in two sizes
- Maximized ventilation with 22 vents
- Removable mouthpiece ventilation cover
- Fidlock magnetic closure system
- Dri-Lex® moisture wicking, breathable, anti-odor and washable inner liner
- Optimal neck brace compatibility
- Visor with breakaway function for rotational reduction in a crash
- In-molded EPS + EPO impact foam for superior energy absorption
- Weight: From 850g (1.87 lbs)
- Certified and tested: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203
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%
Sizing:
- S (55-56cm – 21 5⁄8 - 22")
- M (57-58cm – 22 ½ - 22 ¾")
- L (59-60cm – 23 ¼ - 23 5⁄8")
- XL (61-62cm – 24 – 24 ½")
Occasionally, without notice, manufacturers change product design and/or specifications.
Leatt Full Face Helmet Size Guide
|
Size |
Cm |
Inches |
|
XS |
53 - 54 |
20.25 - 21.25 |
|
S |
55 - 56 |
21.25 - 22 |
|
M |
57 - 58 |
22.25 - 22.75 |
|
L |
59 - 60 |
23.25 - 23.75 |
|
XL |
61 - 62 | 24 - 24.5 |
|
XXL |
63 - 63 | 24.25 - 25.5 |
How to measure
To find the circumference of your head, place a tape measure in the centre of your forehead, wrap it around above your ears and around the back of your head. If there's a slight difference between two different sizes, always go for the tighter size.
Once you know the circumference of your head, select a size with a range that your head size fits within.

As well as an adjustable chin strap the majority of cycling helmets have some form of adjustment for size, usually in the form of a ratchet adjuster to tighten or loosen the headband or replaceable pads of different thicknesses.
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