30mm Loose Ceramic Balls G40 ZrO2 Bearing Balls

Loose Ceramic Balls 30mm G40 ZRO2, this is a popular size that could be used in many Bicycle, or any application that uses this size 30mm. Balls are made from high-strength Ceramic ZRO2.

• Loose Balls
• Ceramic Balls
• Material: Zirconia Ceramic (ZrO2) (Zirconium dioxide)
• Size: 30mm
• Quantity: 1 Ball Bearing