Assuming the pot is aligned to the end bung.
Seems to be using half the braking surface.
Bigger rotor?
Edit. Could be lens distortion.
It's clearer on the oblique view Gaston posted. I wouldn't expect that rotor to make it to the final production version anyway.
@Ordinata started
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Assuming the pot is aligned to the end bung.
Seems to be using half the braking surface.
Bigger rotor?
Edit. Could be lens distortion.