Shimano Dura Ace Di2 RD-R9150 Rear Derailleur Cage Outer Plate & Stopper Pin

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

Shimano RD-R9150 Outer Plate and Fixing Bolt

Shimano Ultegra RD-R8050-GS Rear Derailleur Outer Plate and Fixing Bolt

Shimano RD-R9150 Outer Plate and Fixing Bolt

Shimano Ultegra RD-R8050-GS Rear Derailleur Outer Plate and Fixing Bolt

Shimano XTR Di2 RD-M9050 GS Medium CAGE. Inner and Outer Plates, 84mm(?) VGC

Shimano Ultegra R8050-GS Rear Derailleur Outer Plate & Fixing Bolt -