Spare Parts - XB2 - 2018 and older - Ball Bearings
High-Speed Ball-Bearing 5X10X4 Rubber Sealed (2), X940510
SKU: X940510
Retail price: €5.95
Where to buy? 
High-Speed Ball-Bearing 5X12X4 Rubber Sealed (2), X940512
SKU: X940512
Retail price: €5.95
Where to buy? 
High-Speed Ball-Bearing 6X13X5 Rubber Sealed (2), X940613
SKU: X940613
Retail price: €5.95
Where to buy? 
High-Speed Ball-Bearing 10X15X4 Rubber Sealed (2), X941015
SKU: X941015
Retail price: €5.95
Where to buy? Spare Parts - XB2 - 2018 and older - Ball Bearings
