The Kyosho MZW438 set fits MR03RM and HM chassis and brings a practical way to change rear behaviour via 0.6mm FRP plates. The kit includes three stiffness levels so you can adapt the rear end to different track surfaces and driving styles.
Each plate provides a distinct rear characteristic: soft increases compliance for better bite on broken or dusty circuits, medium keeps a neutral balance for mixed sessions, and hard reduces flex for predictable high speed handling.
Made from sturdy FRP, these plates are durable enough for regular practice and racing. They are cut to suit the MR03RM and HM platform so installation is straightforward and repeatable.
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