SRAM Disc Brake Pads Medium Organic/Steel (Powerful) Trail/Guide/G2- Oe MTB PadSRAM: THINGS TO REMEMBEROptions include metal scintered with steel backing organic with steel backing or organic with aluminum backingEach pad kit includes two pads a pad spreader spring pad pin and clip.For the best braking performance also replace rotors when replacing pads. SPECIFICATIONSPad Material (DB): Organic SinteredBacker Material: Aluminum SteelType (DB Pads): MTB