Item Tag: 683 size 3 * 7 * 2

Ceramic ZrO2 Zirconia Zirconium Dioxide Ball Bearings 683 684 685 686 687 ~ 689

Material: zirconia inner and outer ring +PTFE cage + zirconia ball. Zirconia Ceramic Bearings. Bicycle Bearings. Quantity: 1 piece. CSK bearing.