In general, there are two types of valve on an inner tube: Presta and Schrader. A Schrader valve is the same as you’ll find on a car tyre and to inflate it you simply have to use a pump with a ...

Schrader valves are significantly wider than Presta valves, ... First, you need to know what type of inner tube valves you have in order to figure out what type of pump you'll need.

CX/Gravel tubes. These have 42 and 65mm valve stem options, ... They’re available in 650b and 700c sizes to fit tires 37-50mm and 50-65mm wide, with both Presta and Schrader valve stem options.

In episode 13 of Gabe’s Bike Shop, Gabe compares Presta and Schrader valves, presents cyclists with holiday gift ideas, and talks tube preference.

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 ...