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Shimano Ultegra Rear Derailleur RD-R8150 12sp

Get ready to conquer any terrain with the Shimano Ultegra Rear Derailleur RD-R8150 12sp. Our fastest and most precise shifting yet is now available with a single cage length option, perfect for 28-34T low sprockets. Don't settle for less, chase your next challenge with confidence and speed.

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 indicator
  • Pairing
  • Adjust mode, etc.
  • Wider range capacity
  • Max. low sprocket: 34T
  • SERIES ULTEGRA R8100
  • Average weight 262 g