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BIKEPARTS+
Shimano Non-Series Di2 SM-EW90-B E-tube Di2 Junction-A; 5 port
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£87.19
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£119.99
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- 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
- 3-port design, one for down tube 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 internal battery
- Gear index setup switch to allow fine tuning via shifter buttons
- Reliable and secure water resistant connectors
- Stem mounting strap included
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