Weight: 119 Grams each
in continental US
If you don't want the wheels to light up and flash then don't add the enclosed magnetic spacers.
Better to clean and use your own bearings (most bearings are good. Just need to clean).
While you got your bearing out, great time to clean them. You can use mineral spirits, turpentine or most citrus cleaners. Just put them in a glass jar and let soak for a little. Shake it up and done. The bearings will run better then ever especially if you add a little machine oil to them.
Made with polyurethane material. These wheels were tested by USA company Trurev, L.L.C. and are considered satisfactory. The light up feature is superb.
Replace your spacers with the enclosed magnetic spacers for the wheels to light up.
It has great wear and performs well on various skating surfaces. Its shape is perfect for increasing speed and maneuverability when skating.