Mini Logo precision bearings are Skate Rated to Skate One specifications. They feature removable shields on both sides, high-speed molded ball retainers, and precision-ground, super-finished hardened chromium steel races and balls. For high performance out of the box, they're pre-lubricated with our Speed Cream. The new Series 3 bearings feature: STRENGTH - 2 rubber shields deflect even more harmful debris. SPEED - faster than previous generation Mini Logo bearings. EASE - even quicker and easier to clean & service. VALUE - the best value in skateboard bearings just got better.