Shimano Ultegra RD-8000 GS Shadow Rear Derailleur

Shimano Ultegra RD-8000 GS Shadow Rear Derailleur
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The Shimano Ultegra R8000 GS 11-speed derailleur, modeled after the Dura-Ace R9100, offers extended gear ratios of up to a 34 tooth cog. The smooth and quick shift performance punches above it's 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
Ultegra R8000 
Maximum Sprocket: 34T 
Minimum Sprocket: 11T 
Maximum Front Difference: 16T 
Total Capacity: 39T 
Weight: 210g