10-Pack Loose Ceramic Balls 13mm = 0.511" G20 ZrO2 Bearing Balls

10 Loose Ceramic Balls 13mm ZrO2, this is a popular size that could be used in many Bicycle, or any application that uses this size 13mm. Balls are made from high-strength Ceramic ZrO2.

• Loose Balls
• Size: 13mm = 0.511" Inch
• Material: Zirconia Ceramic (ZrO2) (Zirconium dioxide)
• Quantity: 10 Balls.