This replacement rear gear set is designed for the 1.5x FCD (Full Counter Drift) rear assembly commonly used in scaled RC drift cars. It serves as a spare for damaged or worn gears and supports routine maintenance of drift-specific drivetrains.
The pack represents the rear half of the FCD 1.5x setup and lists tooth counts of 17T and 27T. It is provided as an individual spare piece intended to maintain the original FCD gear geometry so timing and mesh align with the FCD scheme.
Installation attention should focus on correct mesh and minimal backlash; confirm pinion to spur alignment, apply shims if needed, and verify the spur interface runs true before final tightening to protect the FCD counter-drift effect.
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