Set of 8 FireFly Light-Up Indoor/Outdoor Wheels with abec 3 Bearings pre-installed!

Set of 8 quality made urethane 85A Durometer wheels with good grip good for indoor or outdoor Roller Skating surfaces. Coloured lights light up when the wheels spin - no batteries or other power source is required - they work by the spinning action of the wheels alone! They come pre-installed with Abec-3 8mm bearings! Choose from 2 sizes: 58mmx32mm OR 62mmx32mm !