Regarding these discs I don’t think it’s to do with the ABS I think it’s to do with conventional forks against upside down forks. Conventional forks have standard brakes and upside down forks have radial brakes.
I did mention this in one of my text long ago about the foot print that the brake pads make,
the std calliper foot print goes to the double holes and the radial brakes foot print goes past the double holes. I
noticed this when I was looking at the wheels I purchased and when I went to the London show
the bike on display was the same (radial brakes) I might be wrong who knows.