Shimano Brake Pads with Cooling Fins. Your brakes should be so good you never think about them. And when bombing down hills, you need the confidence and comfort to just ride and not worry about brake fade. FEATURES: Aluminum radiator cooling fins increase pad life and reduce brake fade Resin pad with low noise and excellent power modulation Includes spring and split pin SPECS: Compatibility: Shimano Deore XT/Saint/Zee 4-Piston: BR-M8020, BR-M820, BR-M640