SHIMANO Dura-Ace RD-R9250 Di2 12-Speed Rear Derailleur

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