The MG528T/0.5M pinion is a 28-tooth motor gear cut for 48-pitch gear systems, with a 0.5mm module and a 5mm motor shaft bore. It is intended for electric RC drive trains that use 48-pitch gearing.
Install this part when replacing a worn pinion or when fitting a 28T ratio into a 48-pitch arrangement. The 45-steel construction yields a tougher mating surface but correct mesh and alignment remain vital to prevent increased wear on mating components.
Fitting tips: confirm motor bore is 5mm, set the axial position for proper mesh, fasten the pinion securely and check endplay. After initial running, inspect engagement and fastener tightness and make small mesh changes as required for smooth operation.
Tuning notes: changing to this 28T pinion alters the driven ratio incrementally, giving predictable changes to acceleration and top speed while staying compatible with 48-pitch gear sets and your motor/ESC limits.
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