Do you have a question about the Shimano RD-R9250 and is the answer not in the manual?
Crucial information and warnings for safe and correct use of the product.
Safety guidelines for handling and charging the lithium-ion battery.
Safety guidelines for using the charging cable.
Safety guidelines for the rear derailleur.
How to adjust the B-screw to set the pulley-to-sprocket gap.
Solutions for issues related to gear shifting not performing correctly.
Solutions for problems with charging and LED indicator status.
| Model | RD-R9250 |
|---|---|
| Compatibility | 12-speed |
| Actuation | Di2 electronic |
| Weight | 215g |
| Max Cog Size | 34T |
| Min Cog Size | 11T |
| Mount Type | Direct Mount |
| Max. front difference | 16T |
| Pulley Teeth | 11T |
| Firmware update by E-TUBE Project | Yes |
| SD50 port (pcs) | 0 |
| SD305 port (pcs) | 1 |
| SD305 connector (pcs) | 0 |
| Di2 connectivity wired | Yes |
| Series | DURA-ACE |
| Material | Aluminum, Carbon Fiber |
| Battery Life | Approx. 1000km |











