Bones Swiss Ceramic Bearings utilize Cerbec ceramic balls, which are lighter, harder, stronger, waterproof, and longer-lasting than traditional steel balls. These bearings are designed to accelerate faster and roll farther, while also resisting dirt and moisture.

• Cerbec ceramic balls
• 1 non-contact, removable rubber shields for easy cleaning
• High speed nylon ball retainer for increased strength and speed
• Skate Rated™ clearances, tolerances, materials, and lubricant