
SHIMANO
Rear derailleur Shimano Dura-Ace RD-R9250 12s Di2

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
Use: Road
Group: Dura Ace Di2 R9250
Model: RD-R9250
Mount type: Direct Mount
Gear rear: 12-speed
Compatible chain: CN-M9100 HG 12-speed
Max. teeth large sprocket: 34T
Min. teeth large sprocket: 28T
Max. teeth small sprocket: 11T
Min. teeth small sprocket: 11T
Max. front difference: 16T
Total capacity: 35T
Compatible electric wire: EW-SD300
Firmware update by E-tube Project: Yes
E-tube port (pcs): 1
E-tube connector (pcs): 0
Di2 Wireless-Chip: Yes