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| Description |
Make/Model |
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2008 Giro IONOS
Helmet

The name Ionos (pronounced eye-oh-nOs) refers to the Ionosphere, an upper layer of the earth’s atmosphere. The Ionosphere is where auroras are formed, and it’s a key component in the propagation of radio waves around the earth.
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here to purchase
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Giro
IONOS |
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After sculpting Ionos around 21 massive vents,
Giro carved a system of internal ventilation channels throughout the helmet’s EPS liner with our Wind Tunnel technology.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro
Advantage 2 Time Trial
Helmet



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Giro
Advantage 2
Time Trial |
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5 vents and
weighing in at 11 oz, its
aerodynamic shape will definitely give you the Advantage against your
competitors! If need a Time Trial helmet, look no further.
CPSC approved.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Blue/Black Helmet

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Giro Atmos
Blue/Black |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Red/Black

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Giro Atmos
Red/Black |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
White Silver

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Giro Atmos
White/Silver |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Black/Pewter

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Giro Atmos
Black/Pewter |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Matte Titanium

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Giro Atmos
Matte Titanium |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Light Blue/Silver

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Giro Atmos
Light Blue/Silver |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
| Description |
Make/Model |
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Giro Atmos
Pink/Silver

Click
here to purchase |
Giro Atmos
Pink/Silver |
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26 vents and
weighing in at 8.5 oz, it is one of the lightest helmets Giro produces. The Atmos helmet
features a carbon fiber 'Rib Cage' with 5 piece 'In-Mold Shell'.
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Sizes:
Listed in shopping cart |
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Giro Helmet Sizing Chart |
| Small |
51-55 cm./20-21.75" |
| Medium |
55-59cm/21.75-23.25" |
| Large |
59-63cm/23.25"-24.75" |
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