To inflate a Presta valve, you simply unscrew the valve stem anti-clockwise and then connect a pump. After the desired air stress continues to be achieved, get rid of the pump and screw the valve stem clockwise to make sure it is actually airtight. The Knowash Prestashop servicing webpage personalization https://bookmarkfavors.com/story5335408/addon-prestashop-no-further-a-mystery