10-Pack Loose Ceramic Balls 7mm = 0.275" G10 ZrO2 Bearing Balls

10 Loose Ceramic Balls 7mm ZRO2, this is a popular size that could be used in many Bicycle, or any application that uses this size 7mm. Balls are made from high-strength Ceramic ZrO2.

• ルーズボール
• Size: 7mm = 0.275" Inch
• Material: Zirconia （ZrO2）（二酸化ジルコニウム）
• Quantity: Pack of 10.