The Wicked Ceramic Jesa Swiss bearings are the fastest bearings in the world.
These bearings are made in Schwitzerland. In the bearings world, that is not a trivial fact. It has the same connotations as Swiss in Swiss watch or Swiss pocket knife.
The "Ceramics" in Wicked Ceramic Jesa Swiss means that the little balls are not made of steel, but of ceramics, which causes less friction.
The Wicked Ceramic Jesa Swiss bearings are not only the fastest bearings. They also last long.
Bearings: 7 balls, chrome steel
Shields: Z-steel shield
Cage: T9H bearing cage
Oil: multi temp SLR lubrication used
Size: 608 bearings
Keep in mind that this article is sold per piece. For a pair of inline skates you need either 12 or 16 bearings.