WELL PLAYED ALIEXPRESS…
Stroke of comic genius! 
Fixing the randomly occurring gearing issues with the G&G G2 gearbox is random
Got the dirt out, reshimed, greased, couple of new parts and once she’s rewired off she goes.
What a ball ache. Either, I leave to post the patches & parts I’ve sold this week & miss the last collection of the week from my RIF courier… OR!…
Well?
Short shaft, just like you.
I’ll be having more made up with a different design, but not yet.