The Tamiya 3455769 Spur Gear Mount Holder fits the TB Evo IV chassis and provides a steady seating for the spur gear. Its purpose is to reduce lateral movement and help maintain predictable drivetrain response.
Specifically made for the TB Evo IV, the holder complements Tamiya item 58331. It offers a reliable base for the spur so the gearbox runs with less play between components.
Installation is straightforward and uses the chassis mounting points, so most builders can fit the part during normal maintenance without specialist equipment.
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