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 ...

How to Inflate a Presta Valve Tube online, How to Inflate Mountain Bike Tire with Presta Valve DIY Mountain online, How to inflate a bicycle tire with a Presta valve adaptor floor pump by Giant online ...

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 ...