Shimano Deore XT RD-M750 Rear + LX Front Derailleurs - 8 & 9 Speed Long Cage

Shimano Ultegra RD-6700 Rear Derailleur 10-Speed Road Bike Short Cage Silver

microSHIFT R10 Rear Derailleur - 10-Speed, Medium Cage, Shimano Road Compatible,

MicroSHIFT XLE RD-M665M 10/11-Speed Rear Derailleur with Clutch, Medium Cage,

Shimano XTR RD-M972 Rear Derailleur 9 Speed Long Cage Carbon Parts REPAIR

SRAM X-9 Rear Derailleur - 9 Speed - Long Cage / Triple

microSHIFT R10 Rear Derailleur - 10 Speed, Long Cage, Shimano Compatible, Black

SRAM Rival 22 Road Rear Derailleur 11-speed Short Medium Cage