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  • Giro 21, Giro Helios Spherical
  • Giro 21, Giro Helios Spherical
  • Giro 21, Giro Helios Spherical
  • Giro 21, Giro Helios Spherical

21, Giro Helios Spherical

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The heart of the Helios's 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.

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In stock (1)
MIPS Spherical - Essentially an invisible low-friction layer sandwiched within two layers of EPS foam, the result is a reduction of rotational forces and the elimination of the plastic slip plane of the original MIPS design. Redirects impact energy by allowing the helmet's exterior liner to rotate independently of the interior liner in an angled impact.
Independent, In-Mold liners with Spherical ball-and-socket design
Polycarbonate shell
Hardbody lower shell
Shell Type
Polycarbonate shell
Number of Vents
Interior/Liner Type
Spherical Technology, powered by MIPS®
Ventilation Type
15 Wind Tunnel vents with internal channeling
Fit System
Roc Loc 5 Air
Impact Liner Type
Two EPS foam liners with Progressive Layering
Product Weight
270g (size Medium CPSC)
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