My local Tesco

[SavageHoutkop]

I'm not sure who weighed those bikes though, the £400 one is 17.5kg, whereas the £150 is 14.5kg

Two weights given for the £400 one, one I presume includes the box; 14.5 kg without ('assembled')
(edit: but also for the cheaper one, and the assembled weight is 11.95kg)