How To Use A Bike Pump Presta Valve
Schrader valves presta valves and presta.
How to use a bike pump presta valve. Here s a quick and easy way to pump up a presta valve with a d i y. Remember to take off the adapter to close the presta valve tip after inflating the tube. To inflate a presta valve you ll need a regular air pump and a special adapter. The outer wall is threaded to accept a cap or pump head.
These valves work with a manual lock nut as opposed the spring found on the traditional schrader valve. A presta valve is a long thin stem often found on the tires of high end bikes. This can be handy if you have a flat while riding and must use a gas station pump. Verify the pump is in the unlocked position.
Once the nut is loosened pressing the end of the valve will release air. To use a schrader pump on a presta valve buy a presta to schrader adapter. This video shows the steps necessary to inflate a bicycle tire with a presta valve. They are a little trickier to inflate as they use a manual locknut to open the valve for inflation.
The adapter threads onto the open presta valve and presents a schrader ended valve for pumping. For presta valve you need to remove a cap and loosen a nut at the end of the valve. Diy road to mountain bike valve. Road bikes 90 100 psi hybrid bikes 65 80 psi mtb 30 50 psi.
Presta valves are a lot narrower and are commonly found on higher end bikes with narrow rims. Bike stores sell air pumps that can fit both valve styles or just one valve type. How to pump up a road bike tyre.
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