29mm Loose Ceramic ZrO2 Ball G40 Bearing Ball

10 Loose Ceramic Balls 29mm G40 ZRO2, this is a popular size that could be used in many Bicycle, or any application that uses this size 29mm. Balls are made from high-strength Ceramic ZRO2.

• ルーズボール
• Ceramic Balls
• Material: Zirconia （ZrO2）（二酸化ジルコニウム）
• Size: 29mm
• Quantity: 1 Ball Bearing