Attwood HubMate Wheel Bearing Protectors and Covers provide a simple upgrade to replace dust caps in wheel hubs. The HubMate features an accessible grease fitting allowing grease to be added without disassembly. Positive grease pressure helps keep water and dirt out, automatically lubricating the bearing and reducing wear to prolong bearing life. Covers are custom-fitted PVC. Outer hub inner diameter: 1.78–1.98 inches (model dependent). Designed for boat trailer and wheel hub applications where added protection and easy greasing are desired.
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