The Tektro Orion HD-M750 Disc Brake system offers high power and controllable braking. This 4-piston brake is suitable for e-bikes with center motors. 4-piston disc caliper offers high power and controllable braking 2-finger brake lever Open system Recommended for e-bikes with center motors Easy installation, adjustments and maintenance Compatible with I-spec II and Matchmaker with Tektro adapter Specifications Brake Lever UseLeftBrake Lever ActuationHydraulicAdjustable ReachYesDesigned for ebikeYesPad CompoundSinteredRotor IncludedNoColorBlackHydraulic Hose Length1900Hydraulic Fluid TypeMineral OilBrake Caliper TypePost Mount