Our Resin / Semi Metallic pads are a special blend of resin, kevlar, ceramic and copper fiber. Unlike other brands, Hardheaded Ram brake pads are constructed with high standards that provide a better riding experience. Will fit rim size 20, 26, 27.5, 29 inch wheels, as well as 140, 160, 180 and 203 mm rotors. Will perfectly fit Magura MT5, MT7, type 9, 9P, 91-9566. Please compare the shape of your original pads before ordering.