Optimized for single-chainring drivetrains, the Shimano GRX BL-RX610-L brake lever delivers greater comfort and control for mixed-terrain riding thanks to Shimano's category-leading hydraulic disc brakes and gravel-specific design features. The RX610 brake lever is paired with a GRX BR-RX410 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.GRX BL-RX610 brake lever with textured hood ensures you're always in control, even on bumpy descentsAnti-slip coating on GRX brake levers means that even in wet or muddy conditions that you'll always have Shimano's legendary stopping power on demandReach Adjust mechanism allows the lever to be adjusted to suit any hand size, type of riding and individual rider preferencesGRX BR-RX410 flat mount 2-piston brake caliper has 10% wider pad clearance to decrease brake noiseIncludes L05A-RF pads with finned backplate and resin compound for enhanced heat dissipationOne Way bleeding makes cleaning and bleeding the system easyItem SpecificationsAdjustable Contact PointNoAdjustable ReachYesBrake Caliper TypeFlat MountBrake Lever ActuationHydraulicBrake Lever UseLeftColorBlackHydraulic Fluid TypeMineral OilHydraulic Hose Length1000Pad CompoundResinRotor IncludedNo Shimano GRX BL-RX610 Brake Lever with BR-RX410 Disc Brake Caliper Disc Brake & Lever UPC: 192790313610