★These wheels have been reinforced with the use of carbon fiber in their resin. ★The set includes 3 different types of wheel: large-diameter narrow lightweight wheels; NitroThunder wheels; and Max Breaker TRF wheels. Compatible with: *Super X/XX chassis cars with large-diameter tires (Max Breaker TRF wheels) *Mini 4WD and Mini 4WD PRO cars with large-diameter tires (other wheels)