The Yokomo BB-84-4A 4x8x3mm ball bearings are designed to keep steering systems running smoothly in RC vehicles. They are compatible with the Drift Package series and measure 4mm inner diameter by 8mm outer diameter. Each packet contains four bearings for multiple steering points or spares.
Fitting fresh bearings reduces rotational resistance in linkages and knuckles, yielding sharper steering feedback and improved control. This is useful for drivers seeking repeatable cornering and controlled slides.
The 4x8x3mm dimension is a common standard on many 1/10 scale models, making these bearings straightforward to fit. Basic tools and steady pressure are usually all that is needed to seat them correctly without damage.
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