Shimano Dura-Ace Di2 2x12sp RD-R9250 Direct Mount 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.
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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
Rear speeds: 12
Top-normal spring type|SHIMANO SHADOW RD: Yes
Mount|Direct attachment (conventional): Yes
Mount|Direct mount: Yes
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|Guide pulley bearing: Yes
Pulley|Tension pulley bearing: Yes
Pulley|Teeth: 11
Pulley|Sunken type pulley screw: Yes
B-axle|Hollow axle: Yes
B-axle 2|Hollow axle: Yes
Di2 connectivity wired|Di2 shifting: Yes
Di2 connectivity wireless|Di2 shifting: Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Adjust mode information: Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Di2 battery level: Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Gear position: Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|SHIMANO STEPS data items (*3): Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE RIDE: Yes
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE PROJECT: Yes
Di2 connectivity wireless|ANT private (*2)|Adjust mode information: Yes
Di2 connectivity wireless|ANT private (*2)|Di2 battery level: Yes
Di2 connectivity wireless|ANT private (*2)|Gear position: Yes
Di2 connectivity wireless|ANT private (*2)|SHIMANO STEPS data items (*3): Yes
Firmware update by E-TUBE PROJECT: Yes
SD50 port (pcs): 0
SD300 port (pcs): 1
SD50 connector (pcs): 0
SD300 connector (pcs): 0
LED for system status: Yes
Charging port (pcs): 1
Charging cable: EW-EC300