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Virginia Tech's Biomechanical Engineering department has developed a methodology for testing helmets for their ability to reduce concussions.

After football and hockey helmets, they launched ratings for bicycle helmets in June of 2018.

Summary: The most evident trends in the US market this year are the growth of MIPS and the introduction of more Smart Helmets that feature new lights, communications or electronics.

We have not found any proven radical safety improvement that would compel you to replace your current helmet.

Smart helmets: There are many new smart helmet models either available now or coming to market in 2018.

They have some combination of front and rear cameras, phone integration, Wi Fi, navigation connections, turn signals, brake lights, music players, intercoms, connections to bike computers and even impact sensors.

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At least three new models with removable chinbars meet the ASTM F1952 downhill standard: the Giro Switchblade, Bell Super DH and the Lazer Revolution FF.

New technology has been reaching the marketplace, and Virginia Tech has published independent test results confirming better performance of some models.

There are fewer innovations this year because the bicycle industry is in a slowdown.

They include the Airius, Babali, Coros, Eventy, Koros, Lazer, Lifebeam, Livall, Lumos, O'Neal, POC, Sena, Uvex and Video Head.

WARNING: you should know that NIH released a study in February, 2018 that showed cancer tumors forming around the hearts of rats exposed to high levels of radio-frequency radiation.

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