Loose Ball Bearing 5/8" inch = 15.88mm Ceramic Balls (Si3N4) G10 One Ball Loose Ceramic Balls 5/8" inch G10 Si3N4, this is a popular size that could be used in many Bicycle, Balls are made of Ceramic Si3N4.
Item: Loose Balls
Size: 5/8" Inch (15.88mm)
Material: Ceramic (Si3N4)
Quantity: One Balls VXB Category: Loose Ceramic Balls