Shimano ST-R8050 Ultegra Di2 Rimbrake Shifter Set 11sSHIMANO ULTEGRA DI2 DUAL CONTROL LEVER Rim Brake SLR EV 2x11 speed The SHIMANO ULTEGRA R8050 DI2 DUAL CONTROL LEVERS feature an updated button feel and layout ensuring quick, precise shifting even while wearing thick gloves. The new levers also feature a greater range of reach adjust and a programmable ST button switch stop the hood. More intuitive shifting operation Updated features and a better click feel Clearer separation between shift buttons