The Shimano Tiagra ST-4720 hydraulic shift/brake lever brings the all condition confidence and refined ergonomics of hydraulic disc brakes to the quick and intuitive shifting cyclists expect from Shimano Tiagra.Features-2x10-speed-ST-4720 offers greater reach adjust range allows for better rider comfort and control in all conditions-Dual control lever includes reach adjust mechanism-BR-4770 hydraulic disc brake caliper offers greater rider control in all conditions-2 piston caliper features Shimano's One Way Bleeding technology for simple maintenanceItem Specifications-Brake Caliper Mount:Flat Mount-Adjustable Reach:Yes-Hydraulic Fluid Type:Mineral Oil-Adjustable Contact Point:No-Pad Compound:Resin-Brake Lever Use:Left-Defined Color:Black-Rotor Included:No-Hydraulic Hose Length:1000 mm-Color:Black-Front Der/Shifter Compatibility:Shimano Road