This 15T titanium motor pinion is intended for use on the Associated RC 18T platform and is supplied as a single pinion with its mounting screw. It is designed as a replacement or upgrade to the original 15T motor pinion, with titanium chosen to improve wear life and reduce rotating weight where that material is suitable.
Before fitting confirm the tooth count and direction, then set mesh against the spur gear to the recommended backlash. Make sure the set screw engages the motor shaft flat and re-check drivetrain spin and end float after tightening. Regular inspections and correct torque on the screw will avoid slippage and uneven wear.
Because it is a straight 15T swap the part keeps the factory gear ratio while offering different material characteristics that can affect feel and durability. Use it when you need a maintenance upgrade or to replace a worn pinion without changing gearing.
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