Roll-Line SPEED RACE Professional Bearings

Type:   Custom Roll-Line 
Axle Center Bore:  
7mm = STCUPUS9 (yellow)
8mm = STCUPCS (purple) (LINEA Plate)
    Be sure you identify which size Axles you have and which
    size (7mm or 8mm) Bearings are needed.
Outside Diameter:    22mm (the same for all Roller Skate Bearings)
Number of Balls:   Ultra Precision 7 Balls
Special Features:   Carbon Impregnated Ball Crown Cage Ring 
with 1 Rubber Shield 
ABEC Rating:   ABEC 9
One (1) Set=   16 Bearings