Oil Change | Kindernay VII 7 Speed Internal Gear Hub 

I want to try this hub on my Titus frame ebike, after tearing two derailiurs off my bike in the back country. A bit expensive but so aren't replacing derailleurs and bottom brackets, broken spokes etc.

What grade oil is it? Do you have any viscosity specifications etc. Or iso / din / sae numbers etc. Anything I can use to identify a generic grade equivalent. I am due now for my first 500 km service and i refuse to buy anything more from kindernay. The VII hub has been an absolute nightmare for me. Continuous hydraulic oil leaks from the hoses. Oil leaks from the bleed screws. Oil leaks from the shift actuator. Warranty claims for shift actuators and fittings. Still more oil leaks. Get this, kindernay are aware of a manufacturing fault from the taiwanese hose fitting supplier they use. And yet then sent me warranty fittings to replace the faulty ones with the exact same fault they were meant to replace. WTF. The kindernay chain tensioner (which is a taiwanese re-brand aswell BTW) wore excessively in only a few hundred kms. The brass bushings have effectively disintegrated causing excessive leaning in the arm. And kindernay have been far less than helpful through all this. Often times not replying to emails. Sending out faulty parts when they do send parts. The original 7 x cage bolts were loose out of the box too. Causing the entire hub to fall out of the cage when I first got it. To anyone reading this that's on the fence about buying one. Don't. Absolute waste of time and money.