- This junction A is required to connect the shifters via E-tube wires to the downtube junction wire
- 3-port design, one for downtube wire to bottom bracket junction, two for shifter connection
- Battery level indicator feature
- E-tube EW-SD50 wires not included
- Additional charging point when using the internal battery
- Gear index setup switch to allow fine-tuning via shifter buttons
- Reliable and secure water-resistant connectors
- Stem mounting strap included
- Compatible Systems: E-Tube
- Weight: 10g
- Part No: SM-EW90-A
- Supplied OE, direct from the manufacturer
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