Presta valves are skinny (6mm in diameter) needle-like internal tube valves you’ll uncover on essentially all street bikes and costlier mountain bikes. The Schrader is the traditional valve you find on auto tires and plenty of bicycle inner tubes. The standard Presta valve has an exterior thread. An adapter may https://leftbookmarks.com/story19799079/addon-prestashop-no-further-a-mystery