S.RDR9250 ACHTERDER D-A DI2 12SP

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

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|Guide pulley bearing ✔

Pulley|Tension pulley bearing ✔

Pulley|Teeth 11

Pulley|Sunken type pulley screw ✔

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