Semi Synchronized Shift mode:
The rear derailleur reacts based on the front derailleur’s shift action, shifting to the next most appropriate rear gear when the rider makes a front shift.
Compatibility Ultegra Di2 RD-R8050-GS:
TYPE: | rear derailleur |
SPEED: | 11 speed |
GROUPSET: | Shimano Ultegra Di2 |
Weight: | 0.249 kg |