Bones Swiss Ceramics are in a class by themselves. If you want the best there is, this is it. The Cerbec ceramic balls are much lighter, harder, stronger, and longer lasting than the finest steel balls.
Box of 16 bearings - 8mm or 7mm.

FEATURES
Accelerate faster.
Roll faster and farther.
Resist dirt and moisture better.
Help to repair injuries to your races caused by dirt.
High speed nylon ball retainer for greater strength and speed.
Skate Ratedª clearances, tolerances, materials and lubricant provide the best performance and durability possible.