To inflate a Presta valve, you simply unscrew the valve stem anti-clockwise and after that connect a pump. At the time the desired air pressure has long been arrived at, take away the pump and screw the valve stem clockwise to make certain it can be airtight. The regular Presta https://exactlybookmarks.com/story19687413/how-much-you-need-to-expect-you-ll-pay-for-a-good-live-chat-support-prestashop