Shimano Disc Brake Pads Resin K05Ti-RX 1 Pair WP-IBPK05TIRXA K05Ti-RX Features: Lining Material: Resin (5th Generation) Less noise and better control New resin friction material, 50% more abrasion resistance compared to K03Ti compared to K02Ti, 110% more abrasion resistance than K02Ti, radiator fin, Pad shape: Narrow type piston 2 pistons Brake Caliper Back Plate: Light Weight Titanium 1 Pair Package