10-Pack 1/8"inch = 3.175mm Loose Ceramic Balls G5 Si3N4 Bearing Balls one shield bearing is Double Shielded

bearing is Double Shielded

making them maintenance-free and ready to go

the inner diameter(bore) is 3/4" inch dimensions with steel retainer

measuring 5/16" x 1/2" x 5/32" inch

10-Pack 1/8"inch = 3.175mm Loose Ceramic Balls G5 Si3N4 Bearing Balls one shield bearing is Double Shielded10 Loose Balls 1 8" inch=3. 175mm G5 Ceramic Balls 10 Balls 10 Loose Ceramic Balls 3. 175mm Si3N4, this is a popular size that could be used in many Bicycle, or any application that uses this size 3. 175mm. Balls are made from high strength Ceramic Si3N4. Loose Balls Size: 1 8" inch=3. 175mm Material: Ceramic Quantity: 10 Balls. VXB Category: Loose Ceramic Balls