The Futaba FU1K29401 cross-arm servo horn is sold as a set of two replacement arms for the listed Futaba servos, providing a basic mechanical interface between the servo spline and external linkages. The content remains focused on compatibility and practical use rather than claiming wider system changes.
Compatibility only covers the Futaba models shown and the item is supplied without mounting screws or packaging, so make sure you have the correct hardware for secure installation. The cross-arm offers two perpendicular attachment locations to alter linkage geometry or steering throw during setup.
Recommended for direct swaps or modest upgrades, the horn suits 1/10 scale steering assemblies where you want to trim endpoints, address play, or experiment with alternative arm lengths.
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