Advanced, proprietary Ceramic organic compound and thermal coating containing graphene for unmatched performance and control without added noiseNo toxic copper dust or heavy metals are used in the braking compound19Shimano M575, M525, M515, M495, M485, M475, M465, M416, M415, C607, C601, C501 / Tektro Aquila, Auriga, Dorado, Draco, Gemini, HDC, Mira, Vela, OrionGrapheneOrganic/CeramicBlackAbsoluteBlack