A Presta valve, also called a French valve, is a sort 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 it is very important know the way to 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 means that you can inflate the tire. To inflate the tire, merely connect the pump head to the valve and begin pumping. You have to to pump the tire to the really helpful strain, which is normally indicated on the sidewall of the tire.
