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Giro Helios Spherical MIPS Helmet


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Average connection time 25 secs

Average connection time 25 secs

Advanced Performance For Speed And Adventure

The heart of the Helios’ 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’ 15 Wind Tunnel vents provide exceptional cooling power that's enhanced by our patented Roc Loc 5 Air fit system and plush, antimicrobial Ionic+ padding for exceptional sweat absorption. It's the ideal match for your road and gravel adventures.


  • Spherical Technology- Mips® brain protection system
  • Progressive Layering
  • Nanobead EPS
  • Ionic+ anti-microbial padding
  • Reflective decals


  • Independent, In-Mold liners with spherical ball-and-socket design
  • In-Mold polycarbonate shell with EPS liner
  • Full lower Hardbody coverage

Fit System

  • Roc Loc® 5 Air


  • 15 Wind Tunnel vents and deep internal channeling

Super Fit Sizes

  • S 20”-21.75” / 51-55cm- M 21.75”-23.25” / 55-59cm- L 23.25”-24.75” / 59-63cm


  • Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older
  • MTB
  • Road
  • 2021
  • Giro

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is:

How will I know it has been sent

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing your account details and following the prompts.

Please allow 10 working days from the shipping date of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbors to see if your delivery has been left with them, check any places it could be left such as: garage, porch, or behind garbage cans if it was too big to fit through your mailbox. Contact your local post office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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