For riders looking for premium performance, Jagwire Pro Semi-Metallic pads feature a lightweight aluminum backing plate, reducing the weight by nearly 50%. The high- performance semi-metallic compound combines the low-noise and positive braking feel of a resin pad with the longevity and wet-weather performance of a metallic pad. WHEN TO USE: Perfect for road bikes, XC race, or any other bike where every gram counts.Compatibility: SRAM® G2 Ultimate, G2 RSC, G2 RS, G2 R; Guide Ultimate, Guide RSC, Guide RS, Guide R; Avid® Trail