Shimano M05 Steel Back Resin Disc Pads and Spring Pair

Amazon

Paul Lange & CO. M05 Brake Discs - Black, One Size Softer surface mixture Quieter than metal coverings Emphasis on good dosability Special design for dry and wet conditions

Blacks

Pair of genuine Shimano replacement padsSteel back plate with resin braking compoundWill fit; BR-M515, BR-C601