Now simplified with just one cage length, the new Shimano Ultegra R8150 12-speed rear derailleur offers our fastest, most precise gear changes, at a more affordable price.
With our fastest, most precise gear changes, the new Ultegra R8150 12-speed rear derailleur is more versatile than ever with a single clevis length that is compatible with large 28- to 34-tooth sprockets.
The + products:
- Our fastest rear shifting: 58% faster than the RD-R9150 rear derailleur.
- The compact design includes an integrated wireless unit, charger and switch.
- LED status indicator for battery, pairing, setting mode …
- Larger capacity: from 28 to 34 teeth.
Details:
- 12 speed compatible
- Minimum teeth: 11 teeth
- Max teeth: 34 teeth
- Total capacity: 39 teeth
- Weight: 262 g
MORE INFORMATION
How to adjust a rear derailleur.
How to change a rear derailleur.
See all the products related to your Shimano transmisson.
| Groupe | Shimano Ultegra Di2 12S |
| Speed | 12 |










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