I really hate those who pour blanket on WTS threads, so I really
don't like to be one of those.
But, even though if you already disclaimed you're not sure, 5kg as
an 'approximation' is way too off.
It's an insult to bicycle weight weenies who spend thousands on a
light bike or even simply on upgrades just to shed the few grams
off.
And, this ain't Aluminium, but aluminium ALLOY.