I removed the old rear pads to replace them, the old pads had these backing plates.
Do I need to fit them behind my new EBC pads or are they specific to the old pads (unknown make)?

Also a while ago I brought this disc, which was listed on Ebay as NC30



It is too big (125mm centres between holes) Does anyone know what bike it will fit?
I have posted in the wanted section for the correct rear disc.

Thanks