This Delrin 56-tooth main gear is an aftermarket replacement supplied as 1 pc for use with Associated RC18T vehicles. The design maintains the original gear geometry and motor mounting position for a direct swap into the spur carrier and gearbox.
Delrin (acetal) reduces friction while offering improved wear resistance over basic plastics, helping to maintain consistent tooth engagement during standard 1/18 electric off-road use. It is intended for hobbyists seeking a low-drag, durable spur option.
Fitment notes: inspect both pinion and spur teeth prior to exchange, set correct backlash using the paper or thin-shim method, and spin the drivetrain to ensure there is no binding. Use this part for scheduled maintenance, replacing a worn spur, or trying a Delrin option during setup changes.
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