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New aero helmets will feature in Tour of California tomorrow

Giro has unveiled the Aerohead MIPS and Aerohead Ultimate MIPS aero helmets for time trial, triathlon and track use.

“The Aerohead Ultimate MIPS features the fastest helmet shape Giro has ever tested, plus MIPS multi-directional impact protection system, and the class-leading ventilation of Roc Loc Air [Giro’s internal fit and stabilising system],” says Giro.

MIPS is a technology inside the helmet that’s designed to reduce the rotational forces that can result from some impacts. 

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The Aerohead will be available this summer in two versions: the Aerohead MIPS (below, with venting for longer timed events) at £229 and the Aerohead Ultimate MIPS (above), featuring a TeXtreme carbon fibre shell with a smaller frontal area and reduced venting to reduce drag further, at a much higher £499.

“Using the Wind Averaged Drag standard that Giro and many other manufacturers believe is the most reliable predictor of real world performance, the Aerohead Ultimate MIPS is 3.9 seconds faster over 40km [at 400 watts] than Giro’s previously class-leading helmet, the Selector,” says Giro. 

“The Aerohead MIPS, which features additional ventilation for longer courses such as triathlons, is 14.4 seconds faster over 180km [at 250 watts] while thermodynamic testing also show it to be nearly 10% cooler than the Aerohead Ultimate MIPS.”

We're just reporting these claims. Visit Giro's website for more data concerning the helmets' aerodynamics.

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Both the Aerohead MIPS and the Aerohead Ultimate MIPS feature vented eye shields from Zeiss Optics that are held in place magnetically, and X-Static anti-microbial padding. They each weigh a claimed 455g.

The first time the Aerohead was used in competition was at the Tour de France prologue last year when Rohan Dennis recorded the fastest average speed in the race’s history.

The Aerohead Ultimate MIPS will make its official debut tomorrow at the Amgen Tour of California time trial stage with BMC Racing Team, Team Katusha, and Team Wiggins.

The Giro Aerohead MIPS will be available from July and Aerohead Ultimate MIPS from September. For further information go to www.giro.com/eu_en/aerohead/

Mat has worked for loads of bike magazines over 20+ years, and been editor of 220 Triathlon and Cycling Plus. He's been road.cc technical editor for eight years, testing bikes, fettling the latest kit, and trying out the most up-to-the-minute clothing. We send him off around the world to get all the news from launches and shows too. He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. Mat is a Cambridge graduate who did a post-grad in magazine journalism, and he is a past winner of the Cycling Media Award for Specialist Online Writer.