I know it’s borderline sacrilege around these parts, but I have a few technical problems with Presta valves. Although it seems illogical, keeping bike tires inflated consistently is the last giant ...

Roughly 130 years ago, New Yorker August Schrader and his able son, George, applied to the U.S. Patent and Trademark Office to protect the ownership of their new invention. It was a valve. "This ...

There aren't many technologies as ubiquitous in cycling as the Presta air valve. So it's surprising that, in the roughly 100 years since its invention, it's basically never changed. Until now. A new ...

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