PROFESIONAL SKATEBOARD BEARINGS( ABEC-9 RATED). -SUPER DEEP GROVE RACES. -LABERINTH SEAL SYSTEM. -TITANIUM COATED RACES, BLACKENING. -HIGH SPEED NYLON BALL RETAINER CAGE, UP TO 34.000 RPM. -SINGLE, NON CONTACT, REMOVABLE RUBBER SHIELD. – 4 BLACK SPACERS ...