How To Use A Bike Pump Presta Valve

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