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Shimano SM-EW90-B Dura-Ace Di2 Junction A - 5-Port
₹11,030
Available at bumsonthesaddle.com
Expert Pros
- +Integrated battery level indicator
- +Charging port included
- +Gear index setup switch
- +Neat under-stem mounting
Expert Cons
- −Only compatible with Shimano Di2 systems
- −Requires E-TUBE wiring
This is the Shimano SM-EW90-B Dura-Ace Di2 Junction A, a 5-port component for electronic shifting systems. It mounts under the stem and connects Di2 shifters, accessory shifters, and the downtube junction wire. The unit includes an integrated battery level indicator, charging port, and gear index setup switch for convenient system management.
Details
- groupset
- Shimano Dura-Ace Di2
- intended use
- road
- wireless
- True
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Shimano SM-EW90-B Dura-Ace Di2 Junction A - 5-Port
₹11,030