Once you select the option, estimate delivery time will be displayed.
*Shipping date and Estimate time of arrival are not guarantee.
Once your orders are placed, we will check the stock of manufacturer and send you the confirmed Shipping time via e-mail.
First, measure the circumference of your head with a measuring tape.
Measure from the highest point of your forehead, just above your
eyebrows, horizontally backwards to the highest point of the back of
your head and around.
Based on the measurement, choose the size from the table below.
However, unlike hats, helmets cannot be sized by head circumference alone.
Also, helmets of the same manufacturer may feel different even if they
are the same size depending on the model.
Ordering Size
XS
S
M
L
XL
2XL
Head Measurement (cm)
53 - 54 cm
55 - 56 cm
57 - 58 cm
59 - 60 cm
61 - 62 cm
63 - 64 cm
* This universal size chart is for reference only. Sizes vary by manufacturer and product.
Product detail
color
matte black
color type
solid
Helmet SG mark
○
Helmet Standard JIS
×
Helmet Standard SNELL
×
Helmet Standard MFJ
○
Helmet PSC mark
×
Color: Matte black Standards: MFJ approved races allowed Weight: 1.52kg (M size measurement) Special fitting pads included (1 set each of soft and hard)
*There may be changes in product specifications due to the manufacturer's reasons. *Images may contain other colors.
MOTOCROSS HERO: MX-9 offers protection and durability to protect the rider's head from the harshest of off-road conditions. Durable polycarbonate shell, MIPS impact protection system, adjustable visor, VFV (Velocity Flow Ventilation), and removable, washable anti-microbial liner. With all of these features packed into one helmet, the MX-9 is a great performer at a great price. Dirt Freak's official products are supplied with special fitting pads to improve fit and hold of a helmet.
[SCIENCE IN MOTION] MIPS (multi-directional impact protection system) Technology in which the slip plane helps to dissipate the impact of rotational energy.
■WHY IT'S IMPORTANT When the head is subjected to a rotational (oblique) impact, the rotational acceleration places a large burden on the brain tissue. This may result in various types of brain damage. Helmets with MIPS technology provide effective protection against this specific impact.
■HOW IT WORKS Rotational Energy Management The "slip zone" in the impact liner moves slightly between the layers of the inner layer, reducing the direct impact and consequently the amount of rotational energy transmitted.
[TIME IS EVERYTHING] Bell engineers have spent more than 60 years studying the forces involved in collisions in a variety of scenarios. Recent studies have concluded that brain damage caused by angled impacts is more severe due to the greater burden placed on the brain tissue. MIPS copes with this impact by sliding independently of the helmet by only a few millimeters. At this moment, the movement of the brain in the skull can be suppressed and the burden on the brain caused by angular impact can be reduced.
[THE MINDS BEHIND MIPS] MIPS AB was founded in 2001 by Hans Peter, a graduate of the Royal Institute of Technology in Sweden, and three other experts in the field of biomechanics. He has extensive and in-depth knowledge of head and neck injuries through his research on injury prediction and simulation of head and neck injuries using advanced data methods.
Points of Attention
* The helmets sold on this site are based on the Japanese safety standard. We are not responsible for accidents, damage, injury, or any other related matters as a result of purchasing this product.
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Ratings & reviews for this product or related products
Took a 20 foot freefall of a desert cliff. Was wearing this helmet. I walked away!! Lost a few minutes and took a few days to come fully back. But Im not dead. Bought another one. Like bells motto in the 70s said " If you have a 10 dollar head get a 10 dollar helmet. Best fit and protection for the price. Sweat buckets in the desert in the summer. Water replaces that,nothing replaces your brain!Awesome helmet for the price, fits perfect, relatively light, good ventilation and easy to clean.You only get one brain and it doesn?t heal so protect it!!Very nice fitting helmet with great performance at a good price! I have two of these helmets and would buy them again if needed. My cousin tried my helmet and fell in love with it too.The visor is mounted differently than most helmets to avoid breaking them and it works great. The MIPS is definitely a good selling point too as an extra added layer of protection for your neck.View Detail
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