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- Hub
-
- The wheel hub is a
- decorative
- structural device
- on which the tire
- is mounted. It
- provides the
- airtight seal for
- the tire bead so
- that the tire can
- be inflated. The
- hub also provides
- the interconnect
- between the spindle
- and the tire.
-
- The hub also
- provides the mount
- for the valve stem.
- The valve stem is
- used to inflate the
- tire.
-
- -end-
-
-