Discs are crap these days anyhow.. I'm not sure when it happened (the 90's I believe)...but it was in the lead up to this - "*Prohibitions on the use of asbestos-containing products came into effect across Australia on 31 December 2003, and replacement brake pads, brake shoes and clutch plates fitted to vehicles in Victoria after this date must be asbestos free." As that loomed on the horizon, manufacturers had to rethink braking systems, including the metallurgy of the discs ~ now-a-days brake discs/rotors are cast from a softer steel formula, and whereas years ago you could get your discs machined/skimmed a few times, now there's hardly any material allowed in the casting for this sort of service ; by the time they need resurfacing, they've already under serviceable limits.Disks are cheap as ship now anyway and it's a 5 Minute job to change each one. I really couldn't care less if I had to replace the disks every year. Cheap compared to other costs of having an accident and if that saves my life or my family from injury, They are bloody cheap and more than worth the cost.
Even now you have to be thinking about it, when it comes to buying replacement discs/rotors ... and yes, there's many sellers on ebay pedaling those as well. I know ~ I've been caught out by this, and in fact, that rotten brake rotor is still on the car ~ I wasn't attentive enough when fitting it to the car, but it's not exactly something I'd ever need to check/think about in decades past -- the core of the casting was either not formed properly, or moved during the pour, resulting in the cooling channels in the center of the disc being on an eccentric plane relative to the outside disc working surfaces ... ( /me re-reads that a few times )... best I can do ; I'll take a vid when swap it out for a new set to show what to look out for. They are RDA products as well, I believe...but perhaps I haven't looked at that as closely as I should do, 'coz they were bought off ebay....hmm, note to self ; do that.
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