I have noticed recently that quite a few bikes have luggage racks that rattle as you go over potholes. Could it be that the bolts are wearing loose due to London’s roads? It’s a tricky one because I don’t want to press the red button and put a bike out of action for just that – but there again, it’s unlikely that the Serco guys will pick up the defect at a brief glance and ultimately the rack might drop off!
I’ve had the odd loose rack recently but this is actually worse than a few loose screws.
The picture doesn’t show it very well – the rack is bent and the metal appears to be actually torn or ripped. The only thing I can think of that might have done the damage is it being run over by a vehicle. Might have to swing by and see if it’s still there.