This Delrin spur gear is a single aftermarket spare designed for the Tamiya TB04 chassis, featuring a 48 pitch 66-tooth profile suitable for the TB-04 spur location. Supplied as 1 pcs, it replaces worn or damaged large spur gears and offers a robust plastic option for routine hobby use.
Delrin (acetal) combines low friction with stable dimensional behaviour under normal RC loads, helping to maintain steady mesh and predictable wear on 48 pitch drivetrains. Before fitting, verify tooth count and pitch against your motor pinion to ensure correct engagement and avoid gearbox strain.
Fitting guidance: use as an RC-scale spur gear replacement on TB-04 units, verify axial alignment and correct mesh, check bearings and pinion for wear prior to reuse, and spin the drivetrain by hand to ensure smooth rotation before final assembly. This part is intended for model use only.
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