was now that we met in hutthurm and there was a 220V with I think rs4 brake I am not sure anymore

I talked to him and he meant it would be even easier to rebuild than the hp2 system because the hubs don't have to be turned off
the saddle fixation must be drilled the screws belong a little shortened so 5mm he meant and a enclosed disc zw. placed so that the saddle lies in the middle of the disc...
to mount the disc you need a centerer ring that he has turned...
Now I want to know which brake these are exactly and if who has done this here?!
Especially if you get to the parts cheaply it pays off if a ufo change is due...
Ig