Ultegra Di2 Rear Derailleur 2X12s
With our fastest, most accurate shifting, the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets.
Features
- Our fastest ever rear shifting, 58% faster than RD-R9150
- LED status indicator
- Battery indicator
- Pairing
- Adjust mode, etc.
- Wider range capacity
- Max. low sprocket: 34T
Specifications
- Model No: RD-R8150
- Series: ULTEGRA
- Rear speeds: 12
- RD construction: SHIMANO SHADOW RD
- Mount: Direct attachment (conventional)
- Direct mount
- Max. front difference: 16T
- Total capacity: 39T
- Low sprocket:
- Max.: 34T
- Min.: 30T
- Top sprocket:
- Max.: 11T
- Min.: 11T
- Fluoric coated link bushings: 4
- Pulley:
- Guide pulley bearing
- Tension pulley bearing
- Teeth: 11
- Sunken type pulley screw
- B-axle: Hollow axle
- Di2 connectivity wired: Di2 shifting
- Di2 connectivity wireless: Di2 shifting
- Bluetooth® LE custom (*1)| Adjust mode information
- Bluetooth® LE custom (*1)| Di2 battery level
- Bluetooth® LE custom (*1)| Gear position
- Bluetooth® LE custom (*1)| SHIMANO E-BIKE SYSTEMS data items (*3)
- Bluetooth® LE custom (*1)| Compatible with E-TUBE RIDE
- Bluetooth® LE custom (*1)| Compatible with E-TUBE PROJECT
- ANT private (*2)| Adjust mode information
- ANT private (*2)| Di2 battery level
- ANT private (*2)| Gear position
- ANT private (*2)| SHIMANO E-BIKE SYSTEMS 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 cable: EW-EC300
- Average weight: 262
- Remarks: w/o Bracket spec. available
- Color: Series color
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