Originally posted by Racing4Evo
By the way the best thing that I've found to lube the ring gears is AW Grease from Tamiya. It's extremely sticky so it doesn't get flung off but it's also extremely expensive for the amount that you get. Luckily I had some that a friend gave me a while ago.
Yikes, I don't like that stuff. Too sticky. I use Kyosho's ring gear grease.