MOBIL 28 AVIATION GREASE

[Pete-y2k]

That's what is reccommended by my ebike service department for re-lubing the geared hub motor gears, every 3000 miles. Now to figure out how to get the new grease in there.

 

[rich c]

Hard to give advice since you don't say anything about the brand of the motor. Tons of videos on youtube.