Kool-Stop organic disc brake pads designed to be rotor friendly and even performing through the life of the pad47Shimano Dura Ace R9170, GRX RX400, GRX RX810, RS305, RS405, R7000, R8000, R9000, RS505, RS805, Ultegra R8070, Ultegra R7070, XTR M9100 / TRP Hylex Flat Mount, TT HydroOrganicStandardKool-StopAluminumUPC/EAN/GTIN: 760251082735