SHIMANO ULTEGRA Short Cage DI2 Rear Derailleur 11-speed
RD-6870-SS
SHIMANO ULTEGRA - DI2 Rear Derailleur - Short Cage - SHIMANO SHADOW RD - 11-speed
Blending performance and style, the SHIMANO ULTEGRA 6800 series rear derailleurs deliver accurate shifting and light action. The RD-6870 DI2 versions offer the digital precision of SHIMANO electronic shifting.
PRODUCT SPECIFICATIONS
| MODEL NO | RD-6870-SS |
|---|---|
| SERIES | ULTEGRA 6870 Series |
| Color | Series color |
| Average weight | 257 |
| Rear speeds | 11 |
|---|---|
| Top-normal spring type|Double servo | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Max. front difference | 16T |
| Total capacity | 33T |
| Low sprocket|Max. | 28T |
| Low sprocket|Min. | 23T |
| Top sprocket|Max. | 14T |
| Top sprocket|Min. | 11T |
| Fluoric coated link bushings | 4 |
| Pulley|Guide pulley bearing | ✔ |
| Pulley|Tension pulley bearing | ✔ |
| Pulley|Teeth | 11 |
| Pulley|Sunken type pulley screw | ✔ |
| Di2 connectivity wired|Di2 shifting | ✔ |
| Firmware update by E-TUBE PROJECT | ✔ |
| SD50 port (pcs) | 1 |
| SD300 port (pcs) | 0 |
| SD50 connector (pcs) | 0 |
| SD300 connector (pcs) | 0 |
| Charging port (pcs) | 0 |
TECHNOLOGIES
Manuals & Technical Documents
REPLACEMENT PARTS
