A trailer hub cap is a cover that fits over the hub of a trailer wheel. Its purpose is to keep dirt and debris from entering the trailer wheel, as well as to protect the wheel bearings from wear and tear. It also gives the trailer a finished, professional look.
The hub cap is usually made of plastic or steel and is designed to fit securely on the hub of the trailer wheel. It is held in place with a lug nut, and some styles come with snap-in clips to make installation even easier. The hub cap helps to protect the wheel from dirt and debris and can also add a decorative touch.
The hub cap also helps to keep the wheel bearings properly lubricated and in good condition, since it keeps out dirt and moisture. This helps to extend the life of the bearings and keeps the trailer running smoothly. It also helps to keep the wheel from becoming corroded or worn down, which can reduce its life expectancy.
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