Discover all Shimano components and accessories for electronic drivetrains at Escapa. The Shimano Control Unit/Union -A SM-EW90-B 5-Port connects the cables from the shifters and bundles them into a single output cable.
- The SM-EW90B or SM-EW90F features 5 ports, a connection lever, a wired B connector, and a wireless SC-R770 bike computer.
SM-EW90B / SM-EW90F
With a total of 5 inputs, you can connect either 8 or 4 shifting components per side from the Di2 groupsets:
- Brake/shift lever (STI)
- Lower link switch button
- Upper link shift button
- Time trial shifter or time trial brake/shifter lever
You can use the SM-EW90B / SM-EW90F units without a bike computer. Similarly, the full configuration with 8 switching components is optional!
Technical Specifications:
Compatibility: Dura-Ace Di2 9070 | Ultegra Di2 6770 | XTR Di2 M9050
Weight: 12g
Includes: 1x Derailleur + strap / mounting clip
