To inflate a Presta valve, you just unscrew the valve stem anti-clockwise after which connect a pump. The moment the desired air pressure is reached, remove the pump and screw the valve stem clockwise to guarantee it can be airtight. The common Presta valve has an external thread. An adapter https://xyzbookmarks.com/story19566901/indicators-on-addons-prestashop-you-should-know