yes I forget to mention that, there's also a block that kept the brompton nice and stiff like a rigid bike, as well as a 'clip' to lock the rear triangle to the main frame.
In fact, I think it's time for me to tweak the missus' Brompton into a singlespeed coaster-brake-only pocket rocket, I've forgotten how much potential it have;
the mudguards look badass in black!