The electronic Dura Ace group with Di2 technology complements the mechanical Dura Ace 9000 group. The electronic Dura Ace 9100 group is based on the latest technologies that offer the rider a revolutionary driving experience. After development work by hundreds of engineers and extensive testing on the World Tour, the Dura Ace is now available with Di2 and is causing a sensation in the world of cycling.E-TubeThe E-Tube platform offers optimal flexibility. E-Tube transmits interactive signals and supplies power to all parts through "Plug &amp, Play" connections. E-Tube is resistant to corrosion, expansion and frost and ensures low maintenance. Furthermore, SM-PCE1 provides the connection between PC and components to update the firmware. By updating the firmware, digital devices stay up-to-date and offer better functionality. - Purpose: derailleur gears - Details: - With integrated grip width adjustment - Compatible brakes: BR-R9170 - With programmable gear steps - With an E-Tube connection - Without connection for sprinter switches - Type: electronic shift levers - Application: triathlon shift levers - Scope of supply: right lever - Compatibility right: 11 gears