Shimano Dura Ace Di2 Rear Derailleur RD-R9250 12 speed
Our fastest ever-shifting across SHIMANO's widest ever DURA-ACE gear range, the RD-R9250 is capable of both race wins and personal... Read More
Shimano Dura Ace Di2 Rear Derailleur RD-R9250 12 speed is backordered and will ship as soon as it is back in stock.
                    
                      
FEATURES
                      
                      
                          
                      
                    
                  
                  FEATURES
- Our fastest ever rear shifting, 58% faster than RD-R9150
 - Compact design includes an integrated wireless unit, charger, and switch
 - LED status indicator
 - Battery indicator
 - Pairing
 - Adjust mode, etc.
 - Wider range capacity
 - Max. low sprocket: 34T
 - CFRP rear derailleur plate
 
                    
                      
SPECIFICATIONS
                      
                      
                          
                      
                    
                  
                  SPECIFICATIONS
| MODEL NO | RD-R9250 | 
|---|---|
| SERIES | DURA-ACE R9200 Series | 
| Color | Series color | 
| Average weight | 215 | 
| Remarks | w/o Bracket spec. available | 
|---|---|
| Rear speeds | 12 | 
| Top-normal spring type|SHIMANO SHADOW RD | ✔ | 
| Mount|Direct attachment (Conventional) | ✔ | 
| Mount|Direct Mount | ✔ | 
| Max. front difference | 16T | 
| Total capacity | 37T | 
| Low sprocket|Max. | 34T | 
| Low sprocket|Min. | 30T | 
| Top sprocket|Max. | 11T | 
| Top sprocket|Min. | 11T | 
| Fluoric coated link bushings | 4 | 
| Pulley|G pulley bearing | ✔ | 
| Pulley|T pulley bearing | ✔ | 
| Pulley|Teeth | 11 | 
| Pulley|Sunken type pulley bolt | ✔ | 
| B-axle|Hollow axle | ✔ | 
| B-axle 2|Hollow axle | ✔ | 
| Di2 connectivity wired|Di2 shifting | ✔ | 
| Di2 connectivity wireless|Di2 shifting | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Adjust mode information | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Di2 battery level | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Gear position | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|SHIMANO STEPS data items (*3) | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE RIDE | ✔ | 
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE PROJECT | ✔ | 
| Di2 connectivity wireless|ANT private (*2)|Adjust mode information | ✔ | 
| Di2 connectivity wireless|ANT private (*2)|Di2 battery level | ✔ | 
| Di2 connectivity wireless|ANT private (*2)|Gear position | ✔ | 
| Di2 connectivity wireless|ANT private (*2)|SHIMANO STEPS data items (*3) | ✔ | 
| Firmware update by E-TUBE PROJECT | ✔ | 
| SD50 port (pcs) | 0 | 
| SD300 port (pcs) | 1 | 
| SD50 connector (pcs) | 0 | 
| SD300 connector (pcs) | 0 | 
| LED for system status | ✔ | 
| Charging port (pcs) | 1 | 
| Charging cable | EW-EC300 | 
          
                
                
                
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          