Kingsk8 ZrO Ceramic 627 Inline Skate Bearings are bearings made specifically for inline skates, roller skate, quad skate, you name it. We add ceramic balls inside the bearings to speed up rolling and smooth skating experience. We don't do hype but these bearings are the best and fastest for inline skating. Ceramic balls really helps a lot in speed and durability. And the high precision of the bearings make a perfect round for them.
Creamy Smoothness - Highly polished races make sure the bearings roll smoothly.
Much Less Weight - Ceramic balls are much lighter than steel balls, adding to faster speed.
Dirt and Contamination Resistance - Ceramic balls are much stronger in keeping dirt and contamination away.
Everlasting Endurance - High performance nylon ball retainer add to great strength and endurance.
Set of 8 bearings