GRX Di2 RD-RX815

• GRX Di2 11 speed rear derailleur for double cranks
  
• Adjustable chain stabilizer prevents chain slapping and drops
  
• Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
  
• Maximum front difference: 17T
  
• Total capacity: 40T
  
• Low sprocket: Max. 34T/Min. 30T
  
• Top sprocket: 11T

Attributes