10-Pack 1" Loose Ceramic Balls G40 ZrO2 Bearing Balls

10 Loose Ceramic Balls 1" inch G40 ZRO2, this is a popular size that could be used in many Bicycle, or any application that uses this size 1inch 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: 1" Inch
• Quantity: 10 Ball Bearings