Just because your hands are comfortably resting on the tops of your handlebars, it doesn't mean you shouldn't be able to shift gears. With Shimano's Di2 Remote Satellite Shifter, you're just a simple, light button push away from shifting perfection. These phenomenal accessory shifters are for use with Shimano's Di2 drivetrain components (sold separately) and can be positioned anywhere on your bars for a custom feel. Plus, these beauties feature spot-on ergonomics for smooth, controlled shifting even when you're pushing yourself to your physical limit.