It also failed on my 4/4.[img]http://https://tm-img.com/image/exbIn
https://tm-img.com/image/exHz4 https://tm-img.com/image/exqMc[/img]
They seem to last a bit longer ith stock useless shock absorbers. I would recommend everyone to replace them at the annual service.
I managed to replace mine with the brake shoes in place just undoing the clamps holding them to the shield. The idea of undoing the clamps an all the springs was not tempting.