Presta valves are skinny (6mm in diameter) needle-like inner tube valves you’ll find on basically all road bikes and dearer mountain bikes. The Schrader is the standard valve you find on car tires and a lot of bicycle internal tubes. Knowband has the expertise in creating Prestashop programs and should https://baidubookmark.com/story19590886/the-fact-about-prestashop-live-chat-support-that-no-one-is-suggesting