Shimano GRX Di2 RD-RX815 Rear Derailleur (Black) (11 Speed) (Long Cage) (Shadow Plus) (Electronic)

In Stock Online
Usually ships in 24 hours
FREE Shipping Eligible! Learn More
Price: $299.99


  • Long Cage
This item earns up to 300 VIP Reward Points Learn More

The Shimano GRX Di2 RD-RX815 rear derailleur features an integrated chain stabilizer to keep the shifting smooth and precise over a variety of terrain.


  • SEIS (Shimano Electronic Intelligent System)
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension

Speed: 11 Speed
Shifter Compatibility: Shimano Di2
Shift Mechanism: Electronic (Wired)
Max. Tooth: 34T
Min. Tooth: 11T
Chain Wrap Capacity: 38T
Cage Material: Carbon/Aluminum
Chain Retention: Shadow Plus
Color: Black
Weight: 287g

This product was added to our catalog on August 20, 2019