A Presta valve, often known as a French valve, is a kind of valve utilized in bicycle tires. It’s a skinny, threaded valve that’s inserted by means of the rim of the tire and secured with a nut. Presta valves are sometimes used on high-performance bicycles as a result of they’re lighter and extra aerodynamic than Schrader valves. Nonetheless, they are often harder to make use of, so you will need to know how you can use them correctly.
To make use of a Presta valve, you’ll need a Presta valve pump. These pumps have a particular head that matches over the Presta valve and permits you to inflate the tire. To inflate the tire, merely connect the pump head to the valve and begin pumping. You will want to pump the tire to the really useful stress, which is normally indicated on the sidewall of the tire.
