When it comes to cleaning, there are two types of Aluminium Alloy.
And two types of jobs: cleaning a whole finished bike or cleaning parts for a repair or resto.
Anodised and non anodised.
I prefer to use(and watch) a serious cleaner for non anodised parts.
The trouble with anodised alloys is that a serious cleaner immediately shows any opening breaches in the anodising.
I have heaps of this Kenco cleaner in the shed.
Years back I made the mistake of filling the 60 cleaning station with it.
I also made the mistake of leaving a heap of valuable crankshafts submerged in it, thinking they will be safe there while they soak.
Even I make mistakes, No No, its true
I call it learning and the lesson for the day is that it is Hygroscopic and draws moisture out of high humidity coastal air to descend and settle on the top of the crank journals to actively rust whilst submerged.
Expensive lesson for that day that one