How To Put Air In A Presta Valve

In learning how to inflate bicycle tires, showtime, you demand to exist familiar with the basic or common types of valves.

Presta Valves, also known equally Sclaverand or French valves and unremarkably constitute on high-cease road bike are 1 of the most common valves. Presta valves are longer and narrower in bore than Schrader valves. They characteristic an external valve system that's protected by valve caps, instead of being surrounded by valve cores (like in Schrader valves).

Quick and Like shooting fish in a barrel Steps on How to Inflate Bicycle Tires with Presta Valves:

1. Open the valve.

Unscrew the grit cap at the top and loosen the minor brass cap on the valve stem. This won't come up off completely, but you can raise information technology a little.
Press on the valve stem to check if y'all've loosened the bras cap enough. If you do, yous will hear air escaping in a sharp outburst.
Determine the recommended PSI for your tires. This is normally printed on the side of your tires and will include a range. Do not permit your PSI become any lower than the everyman figure. The highest effigy is the recommended maximum PSI.

two. Go a pump.

If you will apply a gas station pump, you'll need a Presta adapter. It'south a small cap you could unscrew onto a Presta valve to turn it into a Schrader valve. Some older pumps might as well crave a Presta adapter. When using a pump from a gas station, expect for a force per unit area judge and inflate your tires in small bursts. Do this while checking the pressure later on each one. Take note that gas station pumps have very high pressure, so be careful not to pop your tires.
If you are using a pump with two openings, the smaller ane is for a Presta valve. Smart cycle pumps with only one opening will adjust automatically a Presta valve. A wheel pump with just one opening may require you to contrary an internal rubber stop to be able to fit a Presta valve.
Unscrew the face up cap and look for the safety stop. The smaller end should be facing out for a Presta valve. Inflate your tire the open the valve by unscrewing the dust cap and loosening the smaller brass cap.
Put the pump on the Presta valve. If in that location is a lever near the nozzle, be sure it is in the open position (parallel to the nozzle) when you are positioning information technology on the valve.
Snap the lever down into closed position (perpendicular to the nozzle) when it is on. Make sure yous keep an middle on the PSI as you inflate cycle tires.
Flip the lever back up to remove the pump so spiral the brass cap airtight.

Notation: To deflate a bicycle tire with Presta valve, open the brass cap and so press on the springy valve stem until all air escapes.

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Watch this video to acquire more tips on how to inflate bicycle tires with Presta Valves.