Shimano Ultegra R8000 Mechanical Rear Derailleur RD-SS Short Cage

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RD-R8000 SHIMANO SHADOW RD (11-speed)

  • Shimano SHADOW RD low-profile design increases shift stability and reduces crash vulnerability while providing a sleek integrated appearance
  • Two cage length options provide wide range of gearing compatibility
    • RD-SS covers: 11-25T to 11-30T
    • RD-GS covers: 11-28T to 11-34T
  • Weight: 200g (RD-R8000-SS), 210g (RD-R8000-GS)
Ultegra 8000
Ultegra 8020


  • 5
    A replacement part that ended up being a

    Posted by Alan on 20th Sep 2018

    After damaging an Ultegra 6800, I replaced the rear derailleur with the r8000. It is very crisp and smooth. Subjectively, it performs better than my 6800 ever did. It also works without issue with the 6800 shifters. The chain path was slightly shorter than the 6800 which resulted in having to lose a few links. Overall, this derailleur offers excellent performance and the price is great.