Kingsk8 Black Oxide ZrO Ceramic Skateboard Bearings are all weather bearings with white ceramic balls inside but black oxide coating outside. Ceramic balls are long known for its light weight and moisture resistance. They offer unbelievable speed and durability for skaters, giving them free riding experience.
Rust Prood Design - Using blackening technology to make steel unlikely to get rusted
Much Less Weight - Ceramic balls are much lighter than steel balls, adding to faster speed.
Dirt and Contamination Resistant - Ceramic balls are much stronger in keeping dirt and contamination away.
Strong-Holding Strength - Dupont nylon high speed ball retainer offer great support and strength.
Set of 8 bearings