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Giro Aeon

Giro Aeon
  • Color: Matte Red/Black
  • Color: Matte Titanium
  • Color: Matte Black/White
  • Color: Blue
  • Color: Glowing Red
Please select options


Giro's Aeon is the pinnacle of lightness and comfort and a great choice for your road riding. This trick lid dropped 28% off the weight of its predecessor, while actually adding features. For durability it boasts Giro's In-mold polycarbonate shell with a reinforced thermoformed Giro SL Roll Cage, and for comfort there are 24 vents with Giro's Wind Tunnel technology to draw the air through. Complementing the ventilation is Giro's Roc Loc 5 retention system and anti-microbial X-Static padding for a custom fit and exceptional comfort.

- Small = 51-55cm
- Medium = 55-59cm
- Large = 59-63cm

Giro's Roc Loc 5.

A) Micro Dial - A ratcheting dial that’s simply twisted to tighten and loosen the fit.

B) Three-Position Vertical Fit - Lets you raise and lower the Roc Loc system to the perfect position.

C) Ergonomic Arms - Minimal shape fits comfortably and accommodates eyewear.

D) Dual Pods – Supportive, minimal panels that cradle your head for the utmost in comfort and safety.

E) Strap Management - The straps (not shown) are woven through the fit system to always remain in the right place.


Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older


Aeon overview

In-Mold construction process

Wind Tunnel ventilation system

Part Numbers

Option UPC MPN Store SKU
Matte Red/Black / Small 768686892776 2038932
Matte Red/Black / Medium 768686892783 2038933
Matte Red/Black / Large 768686892790 2038934
Matte Titanium / Small 768686892837 2038938
Matte Titanium / Medium 768686892844 2038939
Matte Titanium / Large 768686892851 2038940 210000011067
Matte Black/White / Small 768686892868 2038941
Matte Black/White / Medium 768686892875 2038942
Matte Black/White / Large 768686892882 2038943
Blue / Small 768686543838 7054530
Blue / Medium 768686543845 7054531
Blue / Large 768686543852 7054532
Glowing Red / Small 768686543920 7054539
Glowing Red / Medium 768686543937 7054540
Glowing Red / Large 768686543944 7054541