Shimano Ultegra RD-R8000/RX800-GS Rear Derailleur Inner Plate for GS Type

SHIMANO Ultegra Rear Derailleur Outer Plate Assembly RD-R8000 GS Cage

SHIMANO Deore XT Rear Derailleur Inner Plate Assembly RD-M8100 SGS Cage

Shimano Ultegra Di2 RD-R8150 12 speed Rear Derailleurs Cage Outer or Inner Plate

SHIMANO XTR Rear Dearilleur Inner Plate Assembly RD-M9100 GS Cage

SHIMANO Ultegra Rear Derailleur Pulley Set, fits RD-6800 RD-6870

Shimano Ultegra 105 ST-6800/5800/4700/4703 Bracket Covers Hoods Cover Set Pair

SHIMANO SLX DEORE Rear Derailleur Pulley Set For RD-M7100/M7120/M6100