With the fast and accurate Di2 shifting technology, the Shimano 12-speed Ultegra RD-R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.
- Compact design includes an integrated wireless unit, charger, switch
- Wider range capacity
- Max. low sprocket 34t
- LED status indicator
- Battery indicator, pairing, adjust mode etc.
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Color: Black
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Largest Cog: 34
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Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard
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Chain Wrap Capacity (teeth): 39
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Rear Der/Shifter Compatibility: Shimano Road Di2
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Cage Length: Medium
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Drivetrain Speeds: 12
