4.5mm(11/64 Inch) Loose Ceramic Balls ZrO2 Bearing Balls

4.5mm Loose Ceramic Balls ZrO2 (zirconium Oxide), this is a popular size that could be used in many Bicycle, Balls are made from high-strength Ceramic ZrO2.

• Ceramic Loose Ball
• Size: 4.5mm = 0.177 inch
• Material: Zirconia Ceramic (ZrO2) (Zirconium dioxide)
• Quantity: One Ball