Tiagra 10 speed STI BR 4770 flat mount calliper

10-speed TIAGRA provides serious entry-level riding performance with cascaded technology from top-tier lines, more intuitive control for shifting and new 10-speed cable pitch for wider frame compatibility.Key Features:Slim ergonomically designed Tiagra Dual Control Levers for hydraulic disc brakes offer powerful braking and effortless 10-speed shiftingErgonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changesHydraulic brake lever provides powerful, controllable and consistent stopping power with less effort especially from the hood positionHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wearKit includes ST-4720 STI, BR-4770 flat mount brake calliper with pads, hose, and gear cable (without rotor or adapter)Tuneable reach adjustersEasy bleed and clean hydraulic system, for use with Shimano mineral oil only