State of the art Di2 electronic technology for instant, accurate shifts first time, every time, at the push of a button. Now 11-speed compatible, with enhanced feedback and improved ergonomics for easier access to the shift buttons from the top of the the hoods. Cleaner wiring thanks to single-wire E-tube connections, that also make it easy to add satellite shifters for bar tops or in the drops.
Multiple control positions mean shifts are always close at hand
Fast, accurate, effortless shifts SW-9071 (single-button controls minimise movements for maximum aero efficiency)
Double and single button controls on aero bar shifters
Points to note about your handlebars:
Handle inner diameter: 19.0 - 22.5 mm
Handle outer diameter: 22.2 - 24.0 mm
Applicable handlebars: Carbon fiber handlebars (with aluminum inserts where the brake levers are installed) or aluminum handlebars. Carbon fiber handlebars without aluminum inserts where the brake levers are installed cannot be used.