Designed for fast road cycling stages and precise gear changes, the DURA-ACE Di2 RD-R9250 is engineered for short response times and smooth electronic shifting performance. The combination of Di2 and SHIMANO SHADOW RD keeps the rear derailleur compact against the frame and supports controlled chain guidance.
With a total capacity of 37 teeth, the RD-R9250 is approved for Shimano Road 12-speed cassettes with 11-30 or 11-34 teeth. Wireless communication, charging port and status LED are integrated directly into the rear derailleur; power is supplied by the Shimano Di2 system with BT-DN300.
Top features at a glance:
- Di2 shifting with integrated wireless communication: for fast, precise and reproducible gear changes
- 11-30 and 11-34 teeth cassette compatibility: for sporty gearing with up to 34 teeth
- SHIMANO SHADOW RD design: for a compact position on the frame and stable chain guidance
Technical specifications:
- Manufacturer: Shimano
- Series: DURA-ACE
- Model: RD-R9250
- Product type: electronic rear derailleur
- Application: Road / road bike
- Shifting system: Di2
- Rear shifting speeds: 12-speed
- Rear derailleur construction: SHIMANO SHADOW RD
- Cassette range: 11-30 or 11-34 teeth
- Largest sprocket: 34 teeth
- Smallest permitted largest sprocket: 30 teeth
- Smallest sprocket: 11 teeth
- Total capacity: 37 teeth
- Max. front difference: 16 teeth
- Jockey wheels: 11 teeth
- Jockey wheel bearings: sealed ball bearings
- Mounting: Shimano Road Direct Attachment / Direct Mount
- Di2 connection: wired and wireless
- E-TUBE connection: 1x SD300
- Functions: status LED, charging port, E-TUBE PROJECT, E-TUBE RIDE
- Weight: 215 g
- Colour: series colour / black
Compatibility with:
- Cassettes: Shimano Road 12-speed with 11-30 or 11-34 teeth
- Internal battery: BT-DN300
- Charging cable: EW-EC300
- Dual-Control levers: ST-R9250, ST-R9270, ST-R8150, ST-R8170, ST-R7170, ST-RX825, ST-RX715-R as well as ST-R9160, ST-R9180 and ST-R8060 via the appropriate Di2 system connection
- Switches: SW-M8150-R, SW-M8150-IR, SW-R9150, SW-R9160, SW-RS801-S, SW-RS801-T, SW-RS801-E
- Di2 front shifting units: FD-R9250, FD-R8150, FD-R7150, FD-RX825
- 12-speed chains: CN-M9100, CN-M8100, CN-M7100, CN-M6100
- SD50 system note: Adapter EW-AD305 is required for compatible SD50 control units
Scope of delivery:
- 1x Shimano DURA-ACE Di2 RD-R9250 rear derailleur, 12-speed
- Packaging: original packaging
Manufacturer item no.: IRDR9250F | EAN: 4550170240950
Precise DURA-ACE Di2 shifting performance for fast road cycling stages with 11-30 or 11-34 teeth cassettes.
SKU: N1D6
Shimano DURA-ACE RD-R9250 Di2 rear derailleur | 12-speed | 11-30 / 11-34 teeth | Road
Designed for fast road cycling stages and precise gear changes, the DURA-ACE Di2 RD-R9250 is engineered for short response times and smooth electronic shifting performance. The combination of Di2 and SHIMANO SHADOW RD keeps the rear derailleur compact against the frame and supports controlled chain guidance.
With a total capacity of 37 teeth, the RD-R9250 is approved for Shimano Road 12-speed cassettes with 11-30 or 11-34 teeth. Wireless communication, charging port and status LED are integrated directly into the rear derailleur; power is supplied by the Shimano Di2 system with BT-DN300.
Top features at a glance:
- Di2 shifting with integrated wireless communication: for fast, precise and reproducible gear changes
- 11-30 and 11-34 teeth cassette compatibility: for sporty gearing with up to 34 teeth
- SHIMANO SHADOW RD design: for a compact position on the frame and stable chain guidance
Technical specifications:
- Manufacturer: Shimano
- Series: DURA-ACE
- Model: RD-R9250
- Product type: electronic rear derailleur
- Application: Road / road bike
- Shifting system: Di2
- Rear shifting speeds: 12-speed
- Rear derailleur construction: SHIMANO SHADOW RD
- Cassette range: 11-30 or 11-34 teeth
- Largest sprocket: 34 teeth
- Smallest permitted largest sprocket: 30 teeth
- Smallest sprocket: 11 teeth
- Total capacity: 37 teeth
- Max. front difference: 16 teeth
- Jockey wheels: 11 teeth
- Jockey wheel bearings: sealed ball bearings
- Mounting: Shimano Road Direct Attachment / Direct Mount
- Di2 connection: wired and wireless
- E-TUBE connection: 1x SD300
- Functions: status LED, charging port, E-TUBE PROJECT, E-TUBE RIDE
- Weight: 215 g
- Colour: series colour / black
Compatibility with:
- Cassettes: Shimano Road 12-speed with 11-30 or 11-34 teeth
- Internal battery: BT-DN300
- Charging cable: EW-EC300
- Dual-Control levers: ST-R9250, ST-R9270, ST-R8150, ST-R8170, ST-R7170, ST-RX825, ST-RX715-R as well as ST-R9160, ST-R9180 and ST-R8060 via the appropriate Di2 system connection
- Switches: SW-M8150-R, SW-M8150-IR, SW-R9150, SW-R9160, SW-RS801-S, SW-RS801-T, SW-RS801-E
- Di2 front shifting units: FD-R9250, FD-R8150, FD-R7150, FD-RX825
- 12-speed chains: CN-M9100, CN-M8100, CN-M7100, CN-M6100
- SD50 system note: Adapter EW-AD305 is required for compatible SD50 control units
Scope of delivery:
- 1x Shimano DURA-ACE Di2 RD-R9250 rear derailleur, 12-speed
- Packaging: original packaging
Manufacturer item no.: IRDR9250F | EAN: 4550170240950
Precise DURA-ACE Di2 shifting performance for fast road cycling stages with 11-30 or 11-34 teeth cassettes.
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Shimano Europe B.V. distributes Shimano bicycle components and accessories, including drivetrains, brakes, pedals, wheelsets, shoes, and cycling apparel. The brand is known worldwide for reliable technology, precise shifting performance, and durable products for road bikes, mountain bikes, gravel bikes, e-bikes, and everyday bicycles.
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