Tamiya 94389 AO-1011 620 Bearings - Precision pair for Mini 4WD upgrades  [94389]

Tamiya 94389 AO-1011 620 bearings - quick overview (pair)

The Tamiya 94389 AO-1011 620 Bearing is a compact, high-utility upgrade for Mini 4WD hobbyists who want smoother wheel rotation. These bearings help cut friction at the axle interface, giving a noticeable improvement in free-rolling performance for both casual track sessions and competitive heats.

Fitment and drivetrain advantages

Designed to work with standard Mini 4WD axle arrangements, these 620 bearings integrate into many chassis types to reduce wear on axles and improve the drivetrain's mechanical efficiency. They are a practical component for builders refining gear meshing and wheel alignment.

On-track effects and handling benefits

Fitting the Tamiya 94389 bearings can lead to crisper acceleration and steadier cornering thanks to lower rotational resistance. Racers will find improved consistency over multiple laps, especially on technical track layouts where smooth rotation matters.