GX Eagle Rear Derailleur Inner Cage with X-Sync Pulleys

GX 1X11/Force1/Rival1 Type 2.1 Rear Derailleur Pulley Kit/Cage

XX1 Eagle Ceramic Bearing Pulleys and Inner Cage

Red eTap Derailleur Inner Cage

Rival Short Pulley Cage Kit Black Includes Pulleys

Rival Medium Cage/Pulley Kit Black

XX Long Pulley Cage Assembly Includes Pulleys

EX1 Rear Derailleur Pulley and Inner Cage Assembly - 8-Speed

Red Inner Rear Derailleur Cage Kit w/Pulley Bolts 2013 Red, Red 22

X01 11 Speed Rear Derailleur Inner Cage/Pulley Kit

X01 Eagle Pulleys and Gray Inner Cage

X9 Type2 10 Speed Medium Inner Cage Kit

X0 9 Speed Med Cage/Pulley/Spring Assembly