The product takes the absolute most utilized, powerful aluminum ball-race rollers from Item 15522 and offers them a tapered underside which will help your Mini 4WD car allow it to be before the end towards battle!
• 17mm rollers are crafted in durable, accuracy aluminum.
• Tapered undersides encourage your car or truck or truck or car getting back the track if it climbs or lands upon the walls.
• Each has a 520-ball bearing built-in on center for super smooth rotation.
• Two screws and four aluminum spacers included.
• Compatible with Mini 4WD and Mini 4WD expert automobiles. Some bodies may necessitate modification.