The Tamiya 94713 - 13mm Guide Ball Bearings set is a concise upgrade for Mini 4WD enthusiasts looking to refine drivetrain feel. These bearings lower rotational drag so components turn with less resistance, useful for both race preparations and display builds.
Each piece is 13mm in diameter and 3mm thick, and the package contains six bearings plus the attachment screws and nuts required for fitting. Compatible across Mini 4WD and Mini 4WD PRO lines, they perform well in rear double roller arrangements to boost stability on mixed track layouts. Ideal for clubs or backyard practice, these guide bearings deliver steady, measurable gains.
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