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  • Giro - Aerohead Ultimate MIPS Helmet - Matte Black/Gloss Black
  • Giro - Aerohead Ultimate MIPS Helmet - Matte White/Silver
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  • Giro - Aerohead Ultimate MIPS Helmet - Matte Black/Gloss Black
  • Giro - Aerohead Ultimate MIPS Helmet - Matte White/Silver

Giro Aerohead Ultimate MIPS Helmet

$549.95

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    Details

    All-in.

    Trying to balance cooling, weight, and wind-dodging properties makes designing an aerodynamic helmet one of trickiest feats of cycling engineering. That is, unless you're willing to go all-in on aerodynamics and low weight, which is the approach Giro took for its Aerohead Ultimate MIPS Helmet. The helmet's material sheet and the lack of ventilation let Giro knock down its front profile compared to the standard Aerohead model in order to further reduce the already impressive wind drag average, dropping an additional five seconds over the course of a 112-mile bike leg.

    While the gains are marginal, the Aerohead Ultimate began proving that those gains add up during its very first official outing: that peculiar helmet that BMC's Dennis rolled out of the starting gate in during the 2015 Tour? Yep, that was the Aerohead Ultimate's virgin voyage, and it helped Dennis to that race's first yellow jersey with a margin of just five seconds over second place. That day also demonstrates that the reduced ventilation compared to the standard Aerohead aren't an issue, as Dennis was definitely not the pre-race favorite but was able to overcome the odds despite the fact that the heat and the wind were both high.

    Instead of the standard Aerohead's polycarbonate/EPS sandwich, the Ultimate's shell fuses an EPS foam body to TeXtreme carbon fiber, something Giro has been hoping to do for some time. This lets the engineers take advantage of carbon's higher structural integrity in order to make a narrower helmet, reducing the amount of material for wind to grab onto. The change does necessitate less ventilation, but as the above case demonstrates, the advantages provided may mean the difference between pulling on yellow or watching from the second step while somebody else does.

    The in-mold carbon and EPS shell is backed up by a Multi-directional Impact Protect System (MIPS) layer. MIPS is becoming ubiquitous in helmets across disciplines because it rotates independently of the shell in order to diffuse the sloshing energy generated by impacts at oblique angles.

    Though the helmet's shell is designed for aerodynamic gains at all cost, Giro doesn't leave the rider completely stifled. Instead, the brand adds ventilation ports to the ZEISS visor and carves out ventilation ports at the brow in order to funnel cooling air in the helmet's internal channeling system and help keep water vapor from fogging the visor. The X-Static internal padding is both hydrophilic and anti-odor, so it works to pull moisture from your head where the internal channeling can better whisk it away while helping prevent the accumulation of funk. The fit is adjustable via Giro's Roc Loc Air fit system, which accommodates singlehanded adjustment and also suspends the helmet slightly in order to afford better internal airflow.

    • A road cycling helmet for triathlon and time-trials
    • Giro's ultimate aerodynamic helmet profile
    • TeXtreme carbon fiber and EPS in-mold shell
    • MIPS technology diffuses rotational forces in certain crashes
    • Magnetic ZEISS lens for better road detail visibility
    • Roc Loc Air fit system and internal air channeling promote cooling
    • Item #GIR00D6

    Tech Specs

    Shell Material
    TeXtreme carbon fiber
    Impact Foam
    EPS
    Ventilation
    vented shield, over-brow ventilation, internal channeling
    Fit Adjustment
    Roc Loc Air
    Visor
    yes, ZEISS Optics
    Claimed Weight
    450 g
    Recommended Use
    cycling, triathlon, time trial
    Manufacturer Warranty
    1 year

    Tech Specs

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