DiscoBrakes Shimano DuraAce Ultegra 105 Replacement Road Brake Pads R55C2 BR7800 Brand: DiscoBrakes One Pair of Disc Brake Pads (2 pads) Specially formulated for use with normal rims. Will work with any Shimano Brake shoe that has removable shoes that use set screws. 55mm Long Also compatible with cartridge brake shoes OBE-R31CP, OBE-R32TP, OBE-R33TR, OBE-R34CR, OBE-R21TR and OBE-R11AR Compatible with Shimano Road Brake Systems including Dura Ace, Ultegra, 105 SCM including BR-7800, BR-7700, BR-6500, BR-6600, BR-5500 and BR-R600 (R55C2) Superior braking performance