Features:

• 100% brand new and high quality.
• Made of high quality steel and ceramic for low noise and long service life.
• Bearing with ceramic balls is better resistant to corrosion and rarely require lubrication.
• Specially designed for inline roller skate to improve speed.
• The lighter balls allow the bearing to spin faster, and uses less energy to maintain its speed.

Specifications:

• Material:Steel+ white ceramic
• Inner Diameter:8mm/0.31 inch
• Outer Diameter:22mm/0.87 inch
• Thickness:7mm/0.28 inch
• Quantity:16Pcs/Set

Package List:

• 16 Pcs/Set Skate Roller Inline Ceramic Bearings With Box