Welcome to the Lighten Up series. In the coming months, we will be publishing a collection of articles demonstrating that an aerodynamically-minded triathlon bike doesn't have to be a heavyweight. We're starting with a custom front-end aerobar setup coming in at just 510g for bars, shifters, and brake levers. And it has a tiny frontal profile to match.
In our final segment of this year's Ironman World Championships, we're going to take a closer look at the wide array of custom helmets made just for the pros.
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