Brake discs resin with cooler J05A. Compatible with BRM9000/9020/987/985/8100/8000/785/7100/7000/675/666/6000/615, BRS700, BRCX77, BRRS785, BRR785/517/317 brakes.Compatibility: ShimanoBrake Pads: ResinSpecial Features: With CoolerMade in: JapanType of Product: Disc Brake PadsWeight (g): 50.0