Shimano Di2 EW-RS910 E-tube Frame or Bar Plug Mount Junction A Charging Point - 2 Port

- The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
- This junction A is required to connect the shifters via E-tube wires to the down tube junction wire
- For either specific frame mount or handlebar end plug mount
- 2-port design
- Battery level indicator feature
- E-tube EW-SD50 wires not included
- Additional charging point when using internal battery
- Gear index setup switch to allow fine tuning via shifter buttons
- Reliable and secure water resistant connectors