4 Pairs Tektro Lyra Novela Iox DiscoBrakes Disc Brake Pads IOX.11 MTB XC DH Bike Brand: DiscoBrakes Semi-metallic Medium Density Pads 4 Pairs of Disc Brake Pads (8 pads) Semi-metallic compound for good wear in all conditions. Medium density with consistent wet and dry performance and good grip.