Optimize your drivetrain with the Shimano 5-port electrical box for Dura Ace/Ultegra Di2. Makes it easy to connect components and monitor battery levels.
This box allows the connection of the different Di2 transmission components to the central unit. It allows in particular the connection of the levers and the satellite levers (CLM), also indicates the level of battery or an anomaly.
| Brand | Shimano |
| Supplier reference | ISMEW90B |
| Color | black |
| Color | Black |
| Stability | Road cycling |