Tamiya #15497 - HG Carbon Reinforcing Plate for 13/19mm Roller (1.5mm) 
Mini 4WD and Mini 4WD PRO cars
★Use with separately sold rollers.
★Some bodies and chassis may require modification.
Information is current as of April 26, 2016. Specifications are subject to change without notice.
se plates make possible a whole range of Mini 4WD car modifications, including the installation of 13mm and 19mm rollers while keeping the car inside official Mini 4WD width regulations.
★The parts feature white printed Tamiya logo and roller size markings.
★Do not use cleaners, as they may damage the printed surface.
Tamiya #15497 - HG Carbon Reinforcing Plate for 13/19mm Roller (1.5mm)