JESA 608 Ceramic Roller Skate BearingsMSRP: $299 Bont Ceramic bearings are back, but better! In collaboration with JESA, one of Switzerland's best specialty bearing manufacturers, we have created the best bearing we have ever made. Compared to the finest steel ball bearings, Bont Ceramics are lighter, have better durability and are more precisely round which combined, results in faster speeds. Made in Switzerland, Bont ceramic bearings have incredibly precise balls and lightweight plastic