The Shimano BR-6700 R55C3 Replacement Brake Cartridges are genuine replacement parts from Shimano. These replacement brake pad cartridges are designed to work with Shimano Ultegra BR-6700 road rim brakes but also have compatibility with several other Shimano road calliper rim brake systems available.                  Shimano BR-6700 R55C3 Replacement Brake Cartridges Features Built to the exact same quality and specifications as the originally supplied pads with your braking system. A Genuine replacement from Shimano. This pack includes 1 pair of brake pads, for either front or rear braking systems.