Now simplified with a single derailleur cage length, the new 12-speed Shimano ULTEGRA R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option.
With our fastest, most accurate shifting, the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets.
FEATURES
- Our fastest ever rear shifting, 58% faster than RD-R9150
- Compact design includes an integrated wireless unit, charger, and switch
- LED status indicator (Battery. Pairing, Adjust Mode)
- Wider range capacity
- Max. low sprocket: 34T
