SHIMANO SW-R671 Di2 Remote TT Black Shift Switch 10/11-Speed

SHIMANO SW-R671 Di2 Remote TT Black Shift Switch 10/11-Speed

These 2 button TT/Tri shifters from Shimano let you extend your Dura-Ace or Ultegra Di2 shifting functions by adding additional shift controls to the ends of your aero extension bars. You get the same, effortless, push-button shifting as you do from your Dual Control levers without having to leave your aerodynamic position. The Shimano Ultegra Di2 SW-R671 11-speed TT/Tri shifters fit into the ends of your aerobar extensions and are compatible with Dura-Ace Di2 11-speed systems as well as Ultegra Di2 10-speed and 11-Speed E-tube electronics.

Fast, smooth, precise, and effortless shifting at the touch of a button
Change gears from your aero extensions or Di2 Dual Control brake levers
Compatible with Dura-Ace 9070 11-speed and Ultegra Di2 10-speed and 11-speed E-tube electronics systems
Compatible with Shimano's FlightDeck computer
Not compatible with Dura-Ace 7970 Di2 systems
SW-R671 2-button TT/Tri shifter set to have 600mm length built-in E-tube wires, controls front and rear derailleurs

Use the Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/

All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions

SW-R671 2-button TT/Tri shifter set has built-in E-tube wires, controls front and rear derailleurs, plugs into 3-port EW90-A or 5-port EW90-B cockpit junction box

Shifter Style: Bar End
Derailleur Compatibility: Shimano Di2
Shift Mechanism: Electronic (Wired)
Color: Black
Weight: 95g (Pair)

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.