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  • Giro Ionos Helmet 2012
  • Giro Ionos Helmet 2012

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Giro Ionos Helmet

The Ionos is the most technologically advanced road cycling helmet Giro has ever created offering unparalleled style and ground breaking ventilation

Giro Ionos Helmet Features:

  • 21 enormous Wind Tunnel vents and optimally placed internal exhaust channels maximize air flow across your head, ensuring that you stay cool on the hottest days and over the longest climbs
  • 15 percent better ventilation than the class leading Atmos
  • A visible weave of composite called In-Mould Composite subframe, runs throughout the helmet liner and around the vents
  • The use of composites in the sub-frame provides incredible structural support, impact dispersion and resistance to penetration
  • Allows great big vents without compromising protective capability
  • X-Static fabric pads are woven with pure silver fibres and kill 100 percent of bacteria
  • Inhibits growth of odour-causing bacteria and fungi within 4 hours after a ride!
  • Helps you stay cooler in summer and warmer in winter
  • RocLoc 5 fit system
  • Meets CE EN1078 certification

Please Note: This helmet conforms to, or exceeds EU Standards only.

Buy Giro Ionos Helmet from Chain Reaction Cycles, the World’s Largest Online Bike Store.

Rated 5 out of 5 by 2 reviewers.
Rated 5 out of 5 by Awesome Although it came in women's packaging the helmet is very much unisex. Great build quality super light highly recommend. 25 March 2014
Rated 5 out of 5 by PERFECT Perfect helmet, very lightweight, excellent material, fits perfectly, highly ventilated. Recommend strongly! 18 January 2013
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Please can you answere 2 questions .
My head size is 56cms do you think the large will be suitable?
Also I live in nz what will be the total cost of helmet and shipping?
Gender: Female
10 months ago
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This helmet falls into the 'Super Fit' section of the size chart; meaning it is advisable to go for the Medium Size.

You can find more information on postage and shipping options here:

10 months ago
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