How To Pump Bike Tyre Presta Valve at Wallpaper

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How To Pump Bike Tyre Presta Valve. Inflate the tire with the pump to the recommended psi (pounds per square inch) stated on the sidewall of the tire. How to pump a presta valve.

Cycling Bike Manual Pump Bicycle Cycle Air Pressure Bike Pump Tire Pump
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Follow up by loosening the nut at the top of the central stalk of the presta valve. To make sure it is correctly done, apply some pressure with the tip of your finger. Next, put your thumb in the tip of the valve core and press it for only a few seconds to be sure that it is deflating.

Cycling Bike Manual Pump Bicycle Cycle Air Pressure Bike Pump Tire Pump

You can check if it’ll work by pressing the top of the stalk. Follow up by loosening the nut at the top of the central stalk of the presta valve. You may want to check for a puncture if it’s very flat yet hopefully this is just a case of having to pump a bike tire up. To inflate a presta valve firstly, you will need your pump to hand.