Shimano dura ace ultegra 105 r55c1 brake padsalways use shimano brake shoes to ensure top brake performance and to maintain the safety of your shimano brake system shimano brake pads provide the ideal hardness for high stopping power combined with great levels of control suitable for standard caliper brakes and cantilever brakes for use with aluminium rims brake pads made from soft tendre soft compound which reduces rim wear featurescompatible with the following shimano modelsbr 9000br 7