What is ""тркачка кацига"" in American English and how to say it?

Serbian

тркачка кацига

тркачка кацига-racing helmet.svg
American English

racing helmet

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Example sentences

American EnglishThe temperature in the cockpit rises so high during the race, that drivers are known to lose up to five pounds by sweating.

How ""тркачка кацига"" is said across the globe.