Shimano ST-R4020 Tiagra Mechanical Shift Hydraulic STI Levers

Shimano ST-R4020 Tiagra Mechanical Shift Hydraulic STI Levers

Slim ergonomically designed Tiagra Dual Control Lever for hydraulic disc brakes offers powerful braking and effortless 11-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-R4020 STI lever

Tuneable reach adjusters

Easy bleed and clean hydraulic system, for use with Shimano mineral oil only

Compatible with 11-speed chains and RD-R4000/ RD-U6040 rear mech only