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Shimano 
Electrical box sm-ew90a 3 ports pour dura ace/ultegra Di2 pour cintre
£118.29 £111.43 -6%
Optimize your riding experience with the Shimano sm-ew90a 3 port electric box for dura ace/ultegra Di2. Easily connect and monitor your drivetrain signals.
Description + -
This box allows the connection of the different Di2 transmission components to the central unit. It allows the connection of the levers and indicates the battery level or an anomaly.
Additional information + -
| Brand | Shimano |
| Supplier reference | ISMEW90A |
| Color | black |
| Color | Black |