It consists of a valve stem, valve core, and valve cap. The valve stem is a metal or rubber tube that extends through the rim and protrudes outside. It provides a passage for the air to enter or exit the tire. The valve core is a small screw that sits insid...
The valve stem is a metal or rubber tube that extends through the rim and protrudes outside. It provides a passage for the air to enter or exit the tire. The valve core is a small screw that sits inside the valve stem and acts as a seal to prevent air...