These are 19mm rollers designed to be used with Mini 4WD racers. These are made from lightweight, tough aluminum, and with built-in ball bearings, these 5-spoke rollers provide a smooth ride to any Mini 4WD racer!
• 5-Spoke Aluminum Rollers x2
• Screws and spacers for attachment included.
• Compatible with all Mini 4WD and Mini 4WD PRO cars (some bodies may require modification).