To inflate a Presta valve, you merely unscrew the valve stem anti-clockwise and then attach a pump. At the time the desired air strain has long been achieved, get rid of the pump and screw the valve stem clockwise to ensure it is actually airtight. The standard Presta valve has https://thekiwisocial.com/story5234177/how-much-you-need-to-expect-you-ll-pay-for-a-good-presta-addons