Disc brake pads with industry-leading compounds for consistent and confident performance, designed to fit a variety of Shimano brakes. Features: Jagwire's Sport Semi-Metallic pads feature a high-performance compound that blends the low-noise of a resin pad with the durability of a metallic pad Mounted to a steel backing plate, these are a great all-purpose pad Compatible with Shimano Acera M3050, Alivio M4050, Deore M515, M515-LA, M525, and T615, Deore LX T675, Nexave C501 and C601, Tourney TX805, and Non-Series M315, M355, M365, M375, M395, M415, M416, M416A, M445, M446, M447, M465, M475, M485, M486, M575, MT200, MT400, and MT500 (must use heat treated rotor) Compatible with Tektro Aquila, Auriga, Auriga E-Comp, Auriga Pro, Draco, Draco 2, Draco WS, Gemini, HD330, and Orion Compatible with TRP HY/RD, Hylex, Parabox 2012, Spyke, Spyre, and Spyre SLC Compatible with Promax Decode-R, F1, Lucid, Solve, and Solve-ST Specifications: Compound: Semi-Metallic Heat Sink: No Pad Shape Number: 22 Backing Plate Material: Steel