10-Pack Loose Ceramic Balls 3mm G5 Si3N4 Bearing Balls

10 Loose Ceramic Balls 3mm Si3N4, this is a popular size that could be used in many Bicycle, or any application that uses this size 3mm. Balls are made from high-strength Ceramic Si3N4.

• Loose Balls
• Size:3mm
• Material: Ceramic
• Quantity: 10 Balls.