For builders chasing tighter steering feel, the Yokomo BB-840PA ball bearings are a simple performance swap. Their 4mm bore and 8mm outer size make them suited to steering wipers and other compact rotating fittings.
Backed by Yokomo quality, the BB-840PA bearings reduce binding and help steering respond more cleanly. They are practical for both competition trims and routine maintenance on everyday machines.
These Yokomo BB-840PA bearings fit many common 1/10 scale components and any assembly that accepts 4x8x3mm bearings, making replacements quick for most hobby setups.
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