Ur most popular disc brake pads, the sport semi-metallic pads are a great choice for most riders.An upgrade over most oem pads, they feature a high-performance semi-metallic compound that blends the low-noise of a resin pad with the durability of a metallic pad.Mounted to a steel backing plate, these provide both performance and value.When to use:combining the best attributes of both organic and metallic pad compounds, sport semi-metallic pads are an excellent all-purpose option.