Hi guzzio,
guess you mean the freewheel, part nr.: 340-05…
It is - but it doesn’t make sense.
Open the freewheel
Simply replace it - special tool “T” needed.
Strida workshop tool guide
You read already chapter C-1 of the speed drive manual?
Mentioned grease syringes should be available via the German company
haberstock-mobility
Maybe there’s also one left over in Vienna 