Pair of genuine Shimano Sintered replacement disc brake pads. Steel back plate with Sintered braking compound.Lining material: MetalMore braking power and durabilityWithout radiator finPad shape: Narrow type, KPiston: For 2-piston brake caliperBack plate: Stainless steelCompatible Model: BR-M9100, BR-M9110, BR-M8110, BR-R9170-F, BR-R9170-R, BR-R8070-F, BR-R8070-R, BR-R7070-F, BR-R7070-R, BR-4770-F, BR-4770-R, BR-RS805-F, BR-RS805-R, BR-RS505-F, BR-RS505-R, BR-RS405-F, BR-RS405-R, BR-RS305-F, BR-RS305-R, BR-U5000-F, BR-U5000-R, BR-RX810-F, BR-RX810-R, BR-RX400-F, BR-RX400-RCompatible Series: XTR M9100 Series, DEORE XT M8100 Series, DURA-ACE R9150 Series, ULTEGRA R8050 Series, SHIMANO 105 R7000 Series, TIAGRA 4700 Series, METREA U5000 Series, GRX 11-speed, GRX 10-speed, CYCLOCROSS / ON-ROAD DISC BRAKE, SHIMANO