Skip to main content


At Tom's Pro Bike it's all about giving you the best cycling experience. Our stores are staffed with experienced cyclists, who ride the roads and trails just like you. With four great locations, we look forward to serving your cycling needs.

Giro Aeon

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


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
Matte Black/White / Small 768686892868 2038941 210000036572
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