Presta valves are skinny (6mm in diameter) needle-like inner tube valves you’ll come across on essentially all highway bikes and costlier mountain bikes. The Schrader is the standard valve you discover on auto tires and several bicycle interior tubes. The conventional Presta valve has an external thread. An adapter could https://bookmarksurl.com/story5265853/prestashop-addon-no-further-a-mystery