4 Pairs of Formula The One R1 RX RO T1 C1 Mega Disc Brake Pads DiscoBrakes 8Pads Brand: DiscoBrakes Semi-metallic Medium Density Pads 4 Pairs of Disc Brake Pads (8 pads + 4 springs) Semi-Metallic compound suitable for all weather conditions Suitable for The One, R1, RX ,RO, T1, C1 and Mega