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Original Proton Saga BLM Rear Brake Hub Dust Grease Cap Cover
[PW828014]
RM32.00
Grease caps are the small, round, metal covers you see at the very center of a wheel. Sometimes they're called dust caps, but for clarity, we'll call them grease caps from this point forward. Grease caps protect your wheel bearings from the dirt, dust, sand, water, salt and road grime that can (and will) destroy bearings. Without grease caps, your wheel bearings simply wouldn't survive for very long out on the road.

Bearings require constant lubrication to remain effective. Thick bearing grease is packed all around the wheel bearings every time they're replaced or even when they're removed for wheel hub or axle service. Grease caps protect the bearing grease from contamination and also hold the grease that surrounds the wheel bearings in place.

In fact, the caps themselves are also packed with grease. This serves two purposes. It provides a continuous supply of grease for the bearings, and it also keeps the grease from migrating away. If the cap were empty, the grease might eventually work its way into the cap, filling the cap but leaving the bearings dry. That's why it's important to not only pack the bearings with grease but to also completely fill the caps with grease.

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