Lithium could be fine but some kinds of it has a reaction to water or even moisture so I’d just use an oil based or silicone based, dirt shouldnt be reaching the gears make sure your faceplate and your rubber seal are properly seated.
I can happily report that APS 8072 fit on the moondrives (might fit 8080 but that would be forcing your luck), also installed my new helicals inside and the sound signature compared to the straight cuts is a whole different beast.
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Dirt doesn’t reach the gears, it’s outside the gears. It seems like the grease gets outside, probably between the gearbox and the lid and then catch dirt all over the outside of the Gear Drives. Every ride they become really nasty.
Make sure you haven’t overgreased your drives I never had no grease escape nor any dirt enter and I have around 600km on my geardrives
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My gear drives also have around 600km, going to check the gear drives this week, it’s going to rain all week, perfect timing .
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You can seal the seam of your drives if you’re really concerned. Pretty easy to run a bead of silicone adhesive around that edge. And easy to remove when you want to open.
But, as far as i know, none of the gear drives on the market are designed to be fully sealed against water/dirt ingress.
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This was like my Moon Gear Drives looked after 40km ride:
Took them apart and there was almost no grease inside, so until i buy another grease i’ll ride it without any grease.
That nasty look after each ride was putting me crazy…
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Gotta get you some red-n’-tacky my dude
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My clamp got a bit wiggly after jumping some stairs so I opened her up today as well. Red and tacky ftw!
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Is it a good grease to lub the inside ?
I have one from 3D servisas that is really nice and reduce the noise a lot.
BTW, is this a joint around the hanger ?
How do you seal the gear drive here to prevent dust to come inside ?
Does anyone else experience the wheel gear to move towards the gearboxes lid?
On mine the the wheel gear gets damaged and it also causes resistance, compared to the other wheel, that side is harder to spin by hand.
The damage is mainly on the side of the gear, the teeth are just full of melted shavings
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Yeah, on one side of mine if I over tighten the adapter to the gear it will have a bit of resistance. Backing them out a tiny bit helped but make sure they’re not loose either.
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Ok, I will try this thanks
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But the wheel gear+bearing slide along the truck adapter. Should I try green loctite?
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Seems like this shouldn’t be possible if you used the correct amount of spacers between the hub and the wheel-gear, no? 
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I don’t remember if I measured both sides but I am using the same amount of spacers for both sides
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well, since matrix 2 really aren’t precise at all, I wouldn’t be surprised if the axle length and thus spacers required were different side to side.
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Ok I will check that tomorrow, I don’t have any other lead anyways.
By the ways is it better to have just a little more space or a little less? I mean if the distance measured translates to 3.5 spacer (totally bogus number) should I use 3 or 4?
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I guess in this case a little more. Use 4, and then some more spacers on the axle to compensate for any looseness there. Unless Moon has other advice
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Happened to me
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