4 Pairs of Kevlar Formula Mega TheOne R1 RX RO T1 C1 Disc Brake Pads DiscoBrakes Brand: DiscoBrakes Contains Kevlar brand fiber developed by DuPont 4 Pairs of Disc Brake Pads (8 pads + 4 springs) Improved strength and performance with Kevlar in medium density pads Excellent braking power