Presta valves are skinny (6mm in diameter) needle-like inner tube valves you’ll discover on virtually all road bikes and costlier mountain bikes. The Schrader is the standard valve you discover on motor vehicle tires and a lot of bicycle inner tubes. Some pumps, such as this Silca Gravelero, aspect reversible https://bookmarksaifi.com/story19813860/how-much-you-need-to-expect-you-ll-pay-for-a-good-presta-addons