This item is a replacement rear gear set for the 1.5x FCD (Full Counter Drift) rear assembly used in scale RC drift models. It is supplied to replace worn or damaged rear gears and supports maintenance of drift-focused drivetrains where the FCD ratio is required.
The set represents the rear component of the FCD 1.5x layout and is specified with 17T and 27T tooth counts. It is sold as an individual spare made to match the original FCD gear geometry so drivetrain timing and mesh remain aligned with the FCD configuration.
When fitting this gear, ensure correct mesh and minimal backlash: verify pinion alignment, apply any recommended shims, and confirm spur concentricity before final assembly to preserve the FCD counter-drift handling.
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