This is the Ultimate bearing kit for the Xray XB8 electric. The kit includes the following bearings and quantities:
8x16x5mm SELECT “HS” RUBBER SEALED BEARING x 14pcs.
6x10x3mm “HS” RUBBER SEALED BEARING x 4pcs.
13x19x4mm “HS” 2RS CHROME STEEL BEARING x 4pcs.