Tamiya Mini 4wd 95122 HG Carbon Rear Multi Roller Setting Stay (1.5mm) J-CUP2019
From the manufacturer:
This 1.5mm thickness carbon fiber stay allows installation of 9mm, 13mm and 19mm rollers in wide positions. The carbon fiber pattern surfaces are offset by a variety of logos and lettering in gold.
Compatible Cars: MA, MS, FM-A, AR, VS, Super-II, Super X, Super XX & Super TZ-X Chassis cars (Some chassis/bodies may require modifications.)