Based on your wheel size, it could be difficult to find the head in the pump to get to the valve, so be cautious never to bend the stem when attaching the pump. Some pumps, like this Silca Gravelero, feature reversible chuck heads. - Kaden Gardener / Our Media If https://seobookmarkpro.com/story19751916/how-much-you-need-to-expect-you-ll-pay-for-a-good-presta-addons