Shimano Dura Ace Di2 RD-R9250 Rear Derailleur Cage Outer Plate & Stopper Pin

Genuine Shimano Dura Ace Di2 RD-R9150 Rear Derailleur Cage Inner Plate

DEFECTIVE Shimano DuraAce Di2 RDR9150 11 Speed Road Bike Rear Derailleur G3D

Genuine Shimano Dura Ace RD-R9100 Rear Derailleur Cage Outer Plate & Stopper Pin

Shimano DURA ACE 9250 Di2 12 Speed Rear Derailleur Pulley Cage and Pulleys.

Shimano RD-R9150 Outer Plate & Fixing Bolt for High-Performance Rear Derailleur

Shimano Dura Ace RD-7700 9-Speed Rear Derailleur Short Cage Japan 👌

Shimano Dura-Ace 7700 medium-cage rear derailleur; 213g of 13t pulleys!