Roll-Line SPEED RACE Professional Bearings 
Type:   Custom Roll-Line 
Axle Center Bore: 7mm = STCUPUS9 (yellow)
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

The Roll-Line SPEED RACE Professional Bearings are specifically designed and manufactured for very High Level Competitive Roller Skating of all types.

These ultra high performance Roll-Line SPEED RACE Professional Bearings will perform at the level of some of the most expensive ceramic bearings, but have the resiliency and strength to provide better performance for much less cost.  

The Roll-Line SPEED RACE Professional Bearings are skated on by most of the World level Skaters and Champions in Artistic and Quad Ball Hockey.