The GRX BL-RX825 brake lever (for Di2) is a left brake only lever option that pairs perfectly with a right ST-RX825 dual control lever. It is designed for gravel and mixed-terrain riding. The ergonomic lever features raised hoods, ribbed surface texture, and an anti-slip coating on the brake lever for increased security and control. The hood body is optimized for seamless integration with flared handlebars~The RX825 brake lever is paired with a GRX BR-RX820 flat mount disc brake caliper that brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its compact construction, the system is quieter and easier to maintain.Lighter, simpler left brake lever optionAnti-slip coating on brake leversRaised hoods and textured surfaceOptimized for use with flared handlebarsBR-RX820 2-piston flat mount caliper features 10% wider pad clearance to decrease brake noiseOne-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic systemIncludes finned L05A pads with a resin compound for enhanced heat dissipationIncludes bracket fo 140/160 rotors (assembled for 160mm)Item SpecificationsAdjustable Contact PointYesAdjustable ReachYesBrake Caliper TypeFlat MountBrake Lever ActuationHydraulicBrake Lever UseLeftColorBlackHydraulic Fluid TypeMineral OilHydraulic Hose Length1000Pad CompoundResinRotor IncludedNo Shimano GRX BL-RX825 Brake Lever with BR-RX820 Disc Brake Caliper Disc Brake & Lever UPC: 192790305622