Plasma Car Polyurethane Replacement Wheels - White Sold as a 4 pack of wheels High quality polyurethane for a smooth ride that won't scratch floors Includes ABEC 7 608ZZ bearings for better speed and durability Compatible with all models and styles of PlasmaCar (TWO MODIFIED THINNER WHEELS GO IN BACK) See our other listings for more colors: orange, light blue, royal blue, yellow, green, pink, red, yellow/green and black