Shimano Ultegra RD-R8000 Rear Derailleur (Black) (11 Speed) (Medium Cage) (GS) (Shadow)

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Shimano Ultegra RD-R8000 Rear Derailleur (Black) (11 Speed) (Medium Cage) (GS)
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The Shimano Ultegra R8000 11-Speed Derailleur, modeled after the Dura-Ace R9100, offers extended gear ratios of up to a 34 tooth cog (Medium Cage). The smooth and quick shift performance punches above its weight class. The derailleur features the Shimano Shadow RD design, which gives it a sleeker and lower profile. 


  • Shimano Shadow RD low-profile design
  • Pulley maintains consistent distance to cassette for increased shift stability
  • Maintains smooth, compact appearance
  • Stable shifting performance
  • Pulley follow-up in certain distance
  • SHIMANO SHADOW RD construction
  • Race endurance for less damage in crashes
  • Adapted for race specific frame design

Speed: 11 Speed
Shifter Compatibility: Shimano Road (11 Speed)
Shift Mechanism: Cable Actuated
Max. Tooth: 30T (Short Cage), 34T (Medium Cage)
Min. Tooth: 11T
Chain Wrap Capacity: 35T (Short Cage), 39T (Medium Cage)
Cage Material: Carbon/Aluminum
Chain Retention: Shadow
Color: Black
Weight: 200g (Short Cage), 210g (Medium Cage)

This product was added to our catalog on April 19, 2018

Michael Madore
Verified Owner
Monday, Jan 10 2022 (about 2 years ago)
Shimano Ultegra RD-R8000 Rear Derailleur (Black) (11 Speed) (Short Cage) (SS)
Shimano quality.
Install and cable routing was very easy.
Setup was just as easy. Using a hex head driver to adjust the limits is so much easier and more precise than a screw driver.
Shifts fast and with little effort.
Randal Winters
Verified Owner
Monday, Aug 29 2022 (about a year ago)
Shimano Ultegra RD-R8000 Rear Derailleur (Black) (11 Speed) (Medium Cage) (GS)
I needed information and advice about a derailleur I was interested in. The tech I talked to answered all of my questions and even researched one of my concerns. I ended up ordering the derailleur. The price was right and the shipping was fast. I couldn't ask for more.