Dura Ace Di2 RD-R9250
$1,181.99
- The DURA-ACE RD-R9250 12 speed Di2 electronic rear derailleur 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 shifts cassettes from 11-30 to 11-34 bringing new versatility to the world's best road component group.
- Compact SHADOW design includes an integrated wireless unit, charger, switch and LED status indicator.
- Wider range capacity: compatible with 11-30 and 11-34T 12-speed cassettes
- Fastest ever rear shifting, 58% faster than RD-R9150
- Integrated D-FLY Connectivity
- Maximum low sprocket: 34T
Attributes
| Cage | GS |
| Max Front Difference | 16T |
| Maximum Cog | 34T |
| Minimum Cog | 11T |
| Primary Color | Black |
| RD Capacity | 37T |
| RD Spring Type | Shadow |
| RD Weight | 215g |
| Speed | 12 |
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