This article originally appeared on BikeRadar
After two teams raced it at the Tour de France, the Giro Vanquish MIPS aero road helmet was launched today with a price of $275 / £239 and claims of aerodynamic speed increases over the company's Synthe helmet (by 13 percent) and Air Attack (by seven percent).
A magnetic shield with a Zeiss lens is included — something Katusha and BMC racers didn't use at the Tour. Giro says the shield improves aero speed by another two percent versus the Synthe when tested at 40kph.
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Vanquish replaces Air Attack
Giro kick-started the aero road helmet trend years ago with the Air Attack. That rounded helmet also came with an integrated shield option, but Giro creative director Eric Horton said the company didn't understand the shield's aerodynamics as well at that time as it does now.
Giro designers claim the slight ledge (highlighted by the color change, not the vents) acts as an aero trip layer so air flows smoothly back as if around a teardrop shape
Cycling-specific Zeiss lens shield
You can read more at Cyclingnews.com
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