The Tamiya 94617 10mm Diameter Guide Roller Ball Bearing Set gives Mini 4WD builders a straightforward way to improve rolling efficiency. As a limited edition Grade-Up component, it reduces rotational resistance so your rollers turn smoother and your setup behaves more predictably on diverse track layouts. The 10mm size is marginally smaller than the standard 11mm, allowing compatibility with most Mini 4WD chassis parts.
Whether you are dialling in a race tune or refining a display model, these bearings provide a precise, reliable upgrade. They help refine handling and can lead to more consistent performance lap after lap without requiring major rebuilds.
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