Along with the launch of this F-05 Front Multi-Roller device (15808), DR-EVO Multi-Mount right back Body (15341) and DR 11mm Aluminum Passing Roller w/ integrated Ball Bearing (15342) just how many ball bearing related option components for Dangun Racers have actually actually increased rapidly. So that you can provide more ball bearing alternatives, Tamiya now releases 2 kinds of ball bearings specifically for Dangun Racers. Each set includes 2 bearings.