The A10YS resin brake pads are the best performing brake pads available today. The resin coating provides higher heat resistance and faster, more efficient braking. A10YS brake pads feature a new organic compound lining. This new lining offers a unique resistance to heat.The advantage of the organic pads is that they have a very good braking efficiency from the very first turns of the wheel.This new pad offers very high braking performance, and very good stability against heat.The Q10RS provides a very good braking feel.These pads are suitable for all TEKTRO 4-piston calipers for touring and cross-country use.