・This is a Tamiya Mini 4WD part.
Tamiya 94935 Carbon Reinforced Slide Wide Roller Stay Mini 4WD GP 2013
GP.544 Low-friction large-diameter low-profile tires & carbon reinforced wheels
Tamiya No.544 Friction Large Diameter Low Height Tire 31mm amp Carbon Reinforced
Mini 4WD Special Edition: Hard Barrel Tires & Carbon Reinforced Narrow Large Dia
mini 4WD hard barrel tire and carbon reinforced large diameter narrow
XV-02 Reinforced Lower Deck Carbon / Tamiya / 22075