VeloChampion Shimano/Sram Brake Pad Inserts - Fits Dura Ace, Ultegra, 105 and All Sram Brakesets Pack contains 2 brake inserts (1 pair) can be used on either front or rear brakes Replacement inserts for use with Shimano Dura Ace, Ultegra and 105 brakes. Also compatible with all Sram brakesets Can be used on any tubular or clincher rim (aluminium braking surface) Water and Dirt Dissipation groves