How To Pump Up Bike Tire With Presta Valve at Wallpaper

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How To Pump Up Bike Tire With Presta Valve. As someone who has worked in the cycling industry for years as an athlete and in bike shops, i am asked many questions on bike maintenance. Unscrew the small point (aka nut or cap) near the top of the valve.

Schrader and Presta Valves — Chicago Bike Blog
Schrader and Presta Valves — Chicago Bike Blog from www.chicagobikeblog.com

Attach a connector pump head on the cap. In order to check your bike’s tire pressure with a presta valve, you can use a pump with a gauge. Turn the lock nut on top of the stem counterclockwise until it is loose enough to allow airflow.

Schrader and Presta Valves — Chicago Bike Blog

Flip the pump head’s lever to close off the schrader opening and attach the presta opening to the valve. Follow up by loosening the nut at the top of the central stalk of the presta valve. Engage your pump and start inflating your mtb tire to your required pressure. The valve should be on the inside of your tire.