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Our fastest ever shifting across SHIMANO's widest ever DURA-ACE gear range, the RD-R9250 is capable of both race wins and personal bests.

The DURA-ACE RD-R9250 integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world's best road component group.

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

PRODUCT SPECIFICATIONS
- MODEL NO RD-R9250
- SERIES DURA-ACE R9200 Series
- Color Series color
- Average weight 215
- Remarks w/o Bracket spec. available
- Firmware update by E-TUBE PROJECT ✔
- Total capacity 37T
- Charging port (pcs) 1
- B-axle_Hollow axle ✔
- B-axle 2_Hollow axle ✔
- Mount_Direct attachment (Conventional) ✔
- Mount_Direct Mount ✔
- Fluoric coated link bushings 4
- Low sprocket_Max. 34T
- Low sprocket_Min. 30T
- Max. front difference 16T
- Pulley_G pulley bearing ✔
- Pulley_Sunken type pulley bolt ✔
- Pulley_Teeth 11
- Pulley_T pulley bearing ✔
- Top-normal spring type_SHIMANO SHADOW RD ✔
- Top sprocket_Max. 11T
- Top sprocket_Min. 11T
- Rear speeds 12
- Charging cable EW-EC300
- Di2 connectivity wired_Di2 shifting ✔
- 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) ✔
- Di2 connectivity wireless_Bluetooth® LE custom (*1)_Adjust mode information ✔
- Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE PROJECT ✔
- Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE RIDE ✔
- 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_Di2 shifting ✔
- LED for system status ✔
- SD300 connector (pcs) 0
- SD300 port (pcs) 1
- SD50 connector (pcs) 0
- SD50 port (pcs) 0