Originally Posted by maddog34

the thick Automotive Axle and Suspension grease will have barely any,if any, FLOWBACK after you stop riding... it will add drag and move off of the gear teeth, never to return.

you may want to look up how much a new planetary gear transmission/hub that will fit your bike costs... add installation and any shifters/cables/fittings might be needed.
... or get that high pressure, high temp grease out of your lightweight bike transmission, then replace it with the proper, recommended lube.