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Helios Spherical Helmet
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Giro design, and high-performance innovation for core road cyclists, gravel enthusiasts, and adventure riders.
Helios Spherical Helmet
Giro design, and high-performance innovation for core road cyclists, gravel enthusiasts, and adventure riders.
Color
Matte White/Silver Fade
Please make a selection
size
L
Size Guide
Size Guide
HOW TO MEASURE YOUR SIZE
Wrap a measuring tape around your head, keeping the tape level from front to back. Note the measurement and reference the Size Guide.
| ADULT SUPER FIT SIZE | CIRCUMFERENCE |
|---|---|
| XS | 47 -51cm |
| S | 51 - 55cm |
| M | 55 - 59cm |
| L | 59 - 63cm |
| XL | 61 - 65cm |
Note: Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your forehead without hindering your vision. Once you’ve got the right size, you can adjust the fit.
HOW TO ADJUST THE FIT
Step 1: Adjust the fit system at the rear of the helmet for a snug, secure fit. Some helmets also include a vertical tuning feature that allows you to adjust the fore/aft tilt, for optimal positioning on your head.
Step 2: Adjust the straps so that they sit just below the earlobes.
Step 3: Step 3: Adjust the buckle so that it rests against the back of the jaw/throat.
Step 4: Adjust the interior pads if needed.
Step 5: Check the fit to make sure helmet is comfortable and secure. It should not roll forward or back, or be able to slide off.
Please make a selection
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Availability: In Stock
Details
Advanced performance for the adventurous
The heart of the Helios's extraordinary design and performance is Spherical Technology, which utilizes a ball-and-socket design powered by Mips®, the market-leading brain protection system that can help to reduce rotational forces. Spherical Technology allows the helmet's outer liner to rotate around the inner liner during a crash, and also allows Progressive Layering of the inner and outer liners to provide more comprehensive protection and performance. In addition to advanced head protection, the Helios's 15 Wind Tunnel vents provide exceptional cooling power that's enhanced by our patented Roc Loc 5 Air fit system and plush, antimicrobial XT2 padding for exceptional sweat absorption. It's the ideal match for your road and gravel adventures.
SKU #
Specs
| Reflectivity |
Reflective decals
|
|---|---|
| Circumference |
59-63 cm
|
| Construction |
Independent, In-Mold liners with Spherical ball-and-socket design
In-Mold polycarbonate shell with EPS liner
Full lower hardbody coverage
|
| Ventilation |
15 Wind Tunnel vents with internal channeling
|
| Fit System |
Roc Loc® 5 Air
|
| Product Weight |
270 (size Medium CPSC, CE)
|
| Certification |
Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older
E.U.: CE EN1078
|
| Highlights |
Nanobead™ EPS foam
Ionic+™ anti-microbial padding
|
Features
Spherical Technology
Spherical Technology's Ball-and-Socket design, powered by MIPS®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. It also eliminates contact with hard plastic or slip-planes against the skin.
PROGRESSIVE LAYERING™
Helmets with Progressive Layering feature a dual-density liner designed to address high and low-speed impacts, for more comprehensive energy management.
MIPS® BRAIN PROTECTION SYSTEM
All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro's MIPS-equipped helmets is to reduce rotational forces. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts.
WIND TUNNEL INTERNAL CHANNELING
Combined with the massive vents, internal channeling forces air to flow over the scalp, providing remarkable cooling power.
ROC LOC® 5 AIR FIT SYSTEM
This revolutionary fit system adds a new dimension to helmet performance by enhancing cooling, as well as fit comfort and stability. Using a patented design that suspends the helmet just slightly off the top of the skull, Roc Loc® 5 Air allows cool airflow to pass directly over your head, further enhancing the performance of vents and internal channeling that exhaust heat out of the helmet. Fit and feel adjustments mimic the Roc Loc 5, allowing you to easily custom tune fit tension and fore-aft tilt of the helmet in seconds using a single hand.