Jag wire 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: SRAM Red 22 B1, force 22, CX1, Rival 22, S700 B1