The Tamiya Mini 4WD roller stopper from 3Racing M4WD-11/LB in light blue is a compact upgrade focused on stabilising rollers during aggressive cornering. Racers use it to keep the rollers tracking cleaner around technical sections.
This component fits common Mini 4WD roller arrangements and provides a straightforward improvement for vehicles with standard roller mounts. The pale blue tone adds a refined look without being flashy.
Installing the stopper reduces unwanted lateral motion of the rollers and helps the car stay on its racing line, lowering the chance of derailment on sequences of tight turns.
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