Designed for BSx units, the KO Propo 35542 gear set boosts longevity and refines control feel for demanding track sessions or rough trail work.
Metal gears handle heat and load better than stock plastic, cutting deformation and keeping servo motion tight and repeatable when under heavy steering or throttle loads.
The gears are shaped to match KO Propo BSx internals for a direct swap; always check gear alignment and recommended torque settings during installation.
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