Shimano Ultegra RD-8000 Shadow Rear Derailleur (Black) (11 Speed) (Short Cage) (SS)

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. 

Features: 

• 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

Specifications:
Series: Ultegra R8000
Maximum Sprocket: 30T (Short Cage), 34T (Medium Cage)
Minimum Sprocket: 11T 
Maximum Front Difference: 16T 
Total Capacity: 35T (Short Cage), 39T (Medium Cage)        
Weight: 200g (Short Cage), 210g (Medium Cage)