Ultegra R8050 Di2 Lever (Left)

Shimano has done it again with the Ultegra Di2 RD-8050 series. Modeled after the Dura Ace Di2 RD-9150 series, the dual control levers features a clear separation between shift buttons for uncompromised shifting speed or shifting quality. With Di2, you get fast, reliable, electronic shifting that is completely customizable via the E-TUBE Project. FEATURES:   More intuitive shifting operation Defined "click" Completely customizable Capable of "Synchro-Shift" Reach adjustment Programable top button to control third party computers   Compatible with all Di2 products that use E-Tubes SPECS: Model: Shimano Ultegra ST-R8050-L Side: Left Speeds: 2x11 speed   Weight: 148g