You just need to buy modern holders and then fit whatever pads you like
This is obviously the correct answer, and the R55C3 shoes (BR-6700 and many others) in silver will be a good match for those old 5500 era calipers - in fact, cartridge shoes were OE and those one piece pads are what somebody has replaced them with later in life.
This is obviously the correct answer, and the R55C3 shoes (BR-6700 and many others) in silver will be a good match for those old 5500 era calipers - in fact, cartridge shoes were OE and those one piece pads are what somebody has replaced them with later in life.