10-Pack 5/16 inch = 7.938mm Loose Ceramic Balls G5 Si3N4 Bearing Balls

10 Loose Ceramic Balls 5/16 inch Si3N4, 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 Si3N4.

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