The P-A12RS resin brake pads are the best performing brake pads available today. The resin coating provides higher heat resistance and faster, more efficient braking.The P-Q12RS brake pads feature a new organic compound lining. This new lining offers a unique resistance to heat.organic brake pads have the advantage of very good braking efficiency from the first turns of the wheel.this new pad offers very high braking performance, and very good stability against heat.the P-A12RS provides a very good braking feel.these pads are suitable for all TRP 2-piston calipers for touring and cross-country use.