some scales from manufacturers are just a tad on the optimistic side. Especially if they are desperate for sales, or so it seems.
generally, you want a alloy frame, the upper pricerange is usually hydroformed alloy tubing, which is a little stiffer than round tubes, but also heavier.
Than there are models like the Dahon Mariner which come with carrier and fenders, take them off and you are in the 25 lbs range.
She is 5.8 meaning a real light 14 inch bike is pushing it a little bit. But weights around 20 lbs are manageable as long as the components are top notch .


Dahon has a new 16 inch bike in the pipeline , which is similar than the old helios bikes. but the price will be shy of 1500 ...