Shimano Dura Ace RD-R9250 Di2 Shadow RD derailleur, 12-wheel, long arm (GS)
Shimano Dura Ace RD-R9250 Di2 Shadow RD derailleur
Years of work by Shimano laboratories bring you seconds to the good. Speed is the driving force behind the new generation of road kits. Shimano designers have perfected all components and functions to provide the ultimate in riding pleasure, whether you're sprinting to the finish line on the Champs-Élysées or climbing a nearby hill.|
The Dura Ace R9250 derailleur has the fastest and most accurate shifting - 58% faster than the RD-R9150
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The design includes an integrated wireless unit, charging port, power switch, LED status indicator, battery indicator
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More versatile than ever thanks to one arm length - compatible with sprockets from 28 to 34 teeth
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| Groupset | Shimano Dura-Ace |
| Gears | 1x12, 2x12 |
| Technologies | Shimano Shadow RD, Bluetooth, ANT, E-Tube |
| Cage type | GS - medium cage |
| Weight | 215 g |
| Max. the size of the large cassette pinion | 34T |
| Min. the size of the large cassette pinion | 28T |
| Max. the size of a small cassette pinion | 11T |
| Min. the size of a small cassette pinion | 11T |
| Capacity | 37T |
| Pulleys | 11T |
| Charging cable | EW-EC300 |
| product ID | 203761 |
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