Bones Ceramic Roller Skate Bearings

All bearings come in a pack of 16. 8MM 

BONES CERAMICS

• Features grade 5, silicone nitride, hot isostatically pressed ceramic balls.
• Higher quality steel races and a superior surface finish.
• Single non-contact removable rubber shield for easy cleaning and less friction
• High speed nylon ball retainer for greater strength and speed.
• Pre-lubricated with Speed Cream racing lubricant.