Features

• Slim ergonomically designed short reach Tiagra Dual Control Lever for hydraulic disc brakes offers powerful braking and effortless 10-speed shifting
• Ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes
• Hydraulic brake lever provides powerful, controllable and consistent stopping power with less effort especially from the hood position
• Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear
• Contains left hand 2-speed ST-4725 STI lever
• Tuneable reach adjusters
• Easy bleed and clean hydraulic system, for use with Shimano mineral oil only