Presta valves are skinny (6mm in diameter) needle-like inner tube valves you’ll discover on virtually all road bikes and dearer mountain bikes. The Schrader is the normal valve you discover on auto tires and plenty of bicycle inner tubes. The common Presta valve has an external thread. An adapter can https://tinybookmarks.com/story19718252/not-known-factual-statements-about-addon-prestashop