Brake Pads Brake Authority Aggressive Ceramic Race optimized for Enduro, Freeride and Downhill High performance sintered pads, especially designed for racing fits FORMULA 4 Racing FR, FORMULA 4 Racing DH, FORMULA 4 Racing DR, FORMULA 4 Racing Pro, FORMULA 4 Racing Pro+, FORMULA 4 Racing SL, FORMULA 4 Racing XC, FORMULA B4 Hydraulic (2 pistons), FORMULA B4 Hydraulic (4 pistons), FORMULA B4 Team, FORMULA Extreme, GRIMECA System 13