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

Shimano Ultegra RD-R8050-GS Rear Derailleur Inner Plate

Shimano Ultegra RD-R8050-GS Rear Derailleur Inner Plate | High-Performance

Shimano Ultegra RD-R8050-GS Rear Derailleur Outer & Inner Plates Repair Kit

Shimano Ultegra Di2 RD-R8050 Di2 Crash damaged rear mech (PARTS ONLY)

Shimano Ultegra R8000 Mechanical Rear Derailleur RD-GS Medium Cage - Black

SHIMANO ULTEGRA 11 Speed Di2 Rear Derailleur, RD-R8050