Jagwire Mountain Sport Disc Brake Pads are built with a high performance, low noise semi-metallic compound mounted to a steel backing plate that ensures reliable stopping power and minimum brake squealing.Key features:Made from high performance, low noise semi-metallic compound mounted to a steel backing plate,Suitable for race day conditions,Retention springs included,Sold in pairs,.Compatible brakes:Tektro Volans, Auriga Twin, Auriga SUB, Auriga E-SUB,TRP Parabox 2011 Rear.