Our E-Matrix disc brake pads are based around our Race Matrix pad compound but modified for greater endurance, adding a unique blend of kevlar, ceramics, heat resistant resins and friction materials to be able to withstand the increased weigh and speeds of electric bikes and demanding riding styles such as downhill. 2 pad design for use with Magura MT5, MT5 ESTOP, MT7 Pro, MT1893 Anniversary Edition 4 piston disc brake systems