10-Pack 5/16" = 7.938mm Loose Ceramic ZrO2 Balls G10 Bearing Balls

10 Loose Ceramic ZrO2 Balls 5/16 inch, this is a popular size that could be used in many Bicycle, or any application that uses this size 5/16 Inch. Balls are made from high-strength Ceramic ZrO2.

• Loose Balls
• Size: 5/16 Inch
• Material: Ceramic
• Quantity: 10 Balls.