The GPM DTT2069T is a 42 pitch, 69-tooth Delrin spur gear crafted for use with TAMIYA TT02 radio-controlled chassis. Supplied as 1 pcs, it is designed as a replacement or upgrade for the model drivetrain rather than an OEM part.
Compatibility: built for TT02 platforms needing a 42 pitch 69T spur. Always verify both tooth count and pitch against your current spur and motor pinion to ensure correct engagement.
Fitting tips: position the spur on the gearbox output shaft or the designated mounting plate per your TT02 setup, set axial alignment and backlash while the motor pinion is in place, and spin the drivetrain by hand to confirm smooth tooth contact. Maintain proper bearing support and tighten fasteners to the chassis standard; do not press the gear onto shafts with excessive force.
Tuning note: Delrin offers a quieter, lower-friction mesh compared to stiffer plastics, which can improve drivetrain feel and steadiness when changing pinion sizes or fine-tuning motor timing on the TT02.
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