The versatile Dura Ace Di2 SW-R9150 remote satellite shifters expand customization possibilities of the ST-R9150 Dual Control lever further. The expanded E-Tube customization allows to change the basic functionality of the shifters at which the right shifting switch moves the chain to a smaller and the left switch the chain to a larger sprocket. So the it can also be used to carry out the front shifting as well. Thanks to their customizable function the levers fit any riding style. The additional SW-R9150 shifters are designed for a bar top installation. Thanks to this mounting placement quick shifting operations are possible.