"Bones Mini Logo Bearings." From Bones: "Mini Logo Bearings are Skate Rated, precision 608 bearings made to Skate One specifications. They have a removable rubber shield on one side, a removable metal shield on the other, a high speed molded ball retainer, precision ground and super-finished hardened chromium steel races and balls and come pre-lubricated with Bones Speed Cream. Twice the performance and half the price you would expect." Set of 8.