New low-profile design
SHIMANO SHADOW RD
RD-SS covers: 11-25T to 11-30T
Sleek integrated appearance
Wide compatibility
RD-GS covers: 11-28T to 11-34T
Maintain race concentration with more intuitive shift control
Race endurance
Optimized slant angle
| CAGE LENGTH | SS/Short |
| TOTAL CAPACITY | 35T |
| MAX FRONT DIFFERENCE | 16 |
| COLOR | SERIES COLOR |
| AVERAGE WEIGHT | 242g |
| MOUNT | Direct attachment (conventional) |
| GUIDE PULLEY BEARING | Sealed Bearing |
| TENSION PULLEY BEARING | Sealed Bearing |
| NUMBER OF PULLEY TEETH | 11 |
| SERIES | Ultegra Di2 |
| GENERATION | Di2 R8050 |
| MAX LOW SPROCKET | 30 |
| MIN LOW SPROCKET | 25T |
| REAR SPEEDS | 11 |