Packing fast, precise electronic shifting, the Shimano Ultegra RD-R8150 Di2 12-speed rear derailleur is super versatile with its single cage length option that's compatible with 28–34T low sprockets.
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- Provides fast rear shifting—58% faster than RD-R9150
- Compact design includes an integrated wireless unit, charger and switch
- LED status indicator illuminates when pairing and adjusting modes; also displays battery level
- Wider range capacity; maximum low sprocket: 34T
Imported.
View the Shimano Di2 Product LineView all Shimano Rear Derailleurs| Best Use | Road Cycling |
|---|---|
| Derailleur Type | Rear |
| Cage Length | Long Cage |
| Max Rear Cog Size | 34T |
| Speeds | 12-speed |
| Weight | 262 grams |