This 56-tooth Delrin main gear is supplied as 1 pc and is intended as an aftermarket replacement compatible with Associated RC18T models. It is shaped to replace the original spur without altering the main gearbox or motor positioning.
Delrin material provides a compromise of wear resistance and low friction compared with standard plastics, promoting steady tooth engagement under typical 1/18 electric off-road stresses. The gear is aimed at hobbyist use where a direct fit to the Associated RC18T spur carrier and gearbox is anticipated.
Fitting advice: check the condition of the pinion and spur teeth before swapping, set gear mesh using a thin shim or paper, and verify there is no binding through the gearbox and suspension travel. This item is suited to scheduled maintenance, replacing worn gears, or testing Delrin behaviour during setup changes.
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