Is this a new bike or a re-named model?
My exerience of B'Twin's is limited to Spain, that's because every bike hire place is full of them (good sign?) and nowadays I don't even bother taking a bike unless it's for a 2 week+ long jaunt. I hired something very similar in Valencia last year, to me it looks the same bike, but it wasn't called Hoptown. It was lighter than my Dahon 7 and flexed more, but I used it every day for a week, upwards of 50 miles some days and without any issues, never once wishing that I was on a "better" folder, it's hard to believe you can buy such a thing for a measly £129!