- - 2 ports
- - Battery level indicator
- - EW-SD50 E-tube cables are not included
- - Additional charging point if used with internal battery
- - Device to adjust the changes with the index, so that smooth changes can be obtained by means of the shift buttons.
- - Reliable and safe connectors, waterproof
- - Weight: 11g
- - Compatible are Shimano Dura-Ace 9100 and Ultegra R8000