Bearing Boss - Premium Stainless Steel Wheel Bearing Protectors.
Replaces grease cap and once full of grease keeps bearings lubricated under pressure.
Eliminates premature bearing failure by keeping moisture and salt out.
45mm and 52mm Available
Features:
Quick & easy to install
Large grease capacity
Stainless Steel components
Sizes to suit most trailers
Bra Covers included
.