What's the soft need to pump up the bicycle tire?
Hello, it's called the valve core, the soft one and the thin one. I hope you get help Oh O (a _ U) O haha
Bicycle tire tube (inflatable) and tyre (mainly wear protection tube and slip), inflating places by the valve core, inflatable nozzle.
Bicycle inner tube. There are two kinds, there are two kinds of valve core, one is outside the rubber band, which is old-fashioned, and the other is needle type, you can spin, the inner core press down, you can charge and deflate. The two head benefits after the old object, basically can be judged and not leak, but for a long time easy to aging, leakage, especially in the summer, should pay special attention to. After a screw is not tight or not, will leak, but not easily broken, more durable, without frequent replacement.