Bones Swiss Bearings features:
- Single, removable, non-contact rubber shield allows easy cleaning and low friction
- High speed nylon ball retainer provides added strength and speed
- Pre-lubricated with Speed Cream& racing lubricant
- Skate Rated; clearances, tolerances, materials and lubricant provide the best performance and durability possible
- Best selling high end skate bearing in the U.S.A.