Presta valves are skinny (6mm in diameter) needle-like internal tube valves you’ll obtain on essentially all street bikes and more expensive mountain bikes. The Schrader is the normal valve you find on automobile tires and plenty of bicycle interior tubes. You could potentially put in a Presta valve on a https://one-bookmark.com/story19671518/the-single-best-strategy-to-use-for-presta-addons