Shimano Dura-Ace R9250 Rear Derailleur Di2 12 Speed

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

Specifications

• MODEL NO: RD-R9250
• SERIES: DURA-ACE R9200 Series
• Color: Black
• Average weight: 215
• 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