To inflate a Presta valve, you merely unscrew the valve stem anti-clockwise and afterwards connect a pump. At the time the desired air tension has been attained, eliminate the pump and screw the valve stem clockwise to make certain it really is airtight. Some pumps, including this Silca Gravelero, characteristic https://bookmarkfly.com/story19748919/the-single-best-strategy-to-use-for-presta-addons