Black Folding Bike - new bracket needed

Black Folding Bike21 speed26 inch wheels (better looking than most folding bikes!)As it is a folding bike, standard frame sizes don’t apply, but the seat tube length with is 44cm.The brand is bicycles4u which written on the seat and bag. Attractive simple black frame with no heavy branding, easy to fold and nearly-new unworn tires. Great for storing away easily and comes with own bag - see photo.Brakes and gears recently serviced and working well. A new bottom bracket is required. Reliably informed it’s £45 for parts and labour - hence reduced price here.